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Finding the Third Proportional to 15,672,643 and 36,876,775

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Solution

The third proportional to 15,672,643 and 36,876,775 is: 86,768,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,643 : 36,876,775 = 36,876,775 : x
  2. Step 2: Convert to fraction form
    15,672,643/36,876,775 = 36,876,775/x
  3. Step 3: Cross multiply
    15,672,643x = 36,876,775 × 36,876,775
  4. Step 4: Simplify right side
    15,672,643x = 1,359,896,534,400,625
  5. Step 5: Solve for x
    x = 1,359,896,534,400,625/15,672,643
  6. Step 6: Final answer
    x = 86,768,806.92

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.