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Finding the Third Proportional to 307,931,972.50 and 637,691,157

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Solution

The third proportional to 307,931,972.50 and 637,691,157 is: 1,320,583,921.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,931,972.50 : 637,691,157 = 637,691,157 : x
  2. Step 2: Convert to fraction form
    307,931,972.50/637,691,157 = 637,691,157/x
  3. Step 3: Cross multiply
    307,931,972.50x = 637,691,157 × 637,691,157
  4. Step 4: Simplify right side
    307,931,972.50x = 406,650,011,715,998,656
  5. Step 5: Solve for x
    x = 406,650,011,715,998,656/307,931,972.50
  6. Step 6: Final answer
    x = 1,320,583,921.23

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.