Home / 399,673,670-599,510,465

Finding the Third Proportional to 399,673,670 and 599,510,465

Calculator

Solution

The third proportional to 399,673,670 and 599,510,465 is: 899,265,637.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,673,670 : 599,510,465 = 599,510,465 : x
  2. Step 2: Convert to fraction form
    399,673,670/599,510,465 = 599,510,465/x
  3. Step 3: Cross multiply
    399,673,670x = 599,510,465 × 599,510,465
  4. Step 4: Simplify right side
    399,673,670x = 359,412,797,644,516,224
  5. Step 5: Solve for x
    x = 359,412,797,644,516,224/399,673,670
  6. Step 6: Final answer
    x = 899,265,637.50

Related Problems

Find third proportional to 199,836,835 and 299,755,232.50
Half scale
Find third proportional to 799,347,340 and 1,199,020,930
Double scale
Find third proportional to 399,673,672 and 599,510,468
Similar ratio
Find third proportional to 599,510,505 and 899,265,697.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.