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Finding the Third Proportional to 15,672,709 and 36,876,939

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Solution

The third proportional to 15,672,709 and 36,876,939 is: 86,769,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,709 : 36,876,939 = 36,876,939 : x
  2. Step 2: Convert to fraction form
    15,672,709/36,876,939 = 36,876,939/x
  3. Step 3: Cross multiply
    15,672,709x = 36,876,939 × 36,876,939
  4. Step 4: Simplify right side
    15,672,709x = 1,359,908,630,009,721
  5. Step 5: Solve for x
    x = 1,359,908,630,009,721/15,672,709
  6. Step 6: Final answer
    x = 86,769,213.29

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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.