Home / 99,420-193,800

Finding the Third Proportional to 99,420 and 193,800

Calculator

Solution

The third proportional to 99,420 and 193,800 is: 377,775.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,420 : 193,800 = 193,800 : x
  2. Step 2: Convert to fraction form
    99,420/193,800 = 193,800/x
  3. Step 3: Cross multiply
    99,420x = 193,800 × 193,800
  4. Step 4: Simplify right side
    99,420x = 37,558,440,000
  5. Step 5: Solve for x
    x = 37,558,440,000/99,420
  6. Step 6: Final answer
    x = 377,775.50

Related Problems

Find third proportional to 49,710 and 96,900
Half scale
Find third proportional to 198,840 and 387,600
Double scale
Find third proportional to 99,422 and 193,804
Similar ratio
Find third proportional to 149,130 and 290,700
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.