Home / 84,136,117.50-129,243,336.75

Finding the Third Proportional to 84,136,117.50 and 129,243,336.75

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Solution

The third proportional to 84,136,117.50 and 129,243,336.75 is: 198,533,526.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,136,117.50 : 129,243,336.75 = 129,243,336.75 : x
  2. Step 2: Convert to fraction form
    84,136,117.50/129,243,336.75 = 129,243,336.75/x
  3. Step 3: Cross multiply
    84,136,117.50x = 129,243,336.75 × 129,243,336.75
  4. Step 4: Simplify right side
    84,136,117.50x = 16,703,840,094,273,900
  5. Step 5: Solve for x
    x = 16,703,840,094,273,900/84,136,117.50
  6. Step 6: Final answer
    x = 198,533,526.27

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.