Home / 298,998-498,312

Finding the Third Proportional to 298,998 and 498,312

Calculator

Solution

The third proportional to 298,998 and 498,312 is: 830,490.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,998 : 498,312 = 498,312 : x
  2. Step 2: Convert to fraction form
    298,998/498,312 = 498,312/x
  3. Step 3: Cross multiply
    298,998x = 498,312 × 498,312
  4. Step 4: Simplify right side
    298,998x = 248,314,849,344
  5. Step 5: Solve for x
    x = 248,314,849,344/298,998
  6. Step 6: Final answer
    x = 830,490.00

Related Problems

Find third proportional to 149,499 and 249,156
Half scale
Find third proportional to 597,996 and 996,624
Double scale
Find third proportional to 299,000 and 498,315
Similar ratio
Find third proportional to 448,497 and 747,468
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.