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Finding the Third Proportional to 187,982,478 and 273,793,365

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Solution

The third proportional to 187,982,478 and 273,793,365 is: 398,775,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,982,478 : 273,793,365 = 273,793,365 : x
  2. Step 2: Convert to fraction form
    187,982,478/273,793,365 = 273,793,365/x
  3. Step 3: Cross multiply
    187,982,478x = 273,793,365 × 273,793,365
  4. Step 4: Simplify right side
    187,982,478x = 74,962,806,718,023,232
  5. Step 5: Solve for x
    x = 74,962,806,718,023,232/187,982,478
  6. Step 6: Final answer
    x = 398,775,500.33

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.