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Finding the Third Proportional to 15,672,640 and 36,876,767

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Solution

The third proportional to 15,672,640 and 36,876,767 is: 86,768,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,640 : 36,876,767 = 36,876,767 : x
  2. Step 2: Convert to fraction form
    15,672,640/36,876,767 = 36,876,767/x
  3. Step 3: Cross multiply
    15,672,640x = 36,876,767 × 36,876,767
  4. Step 4: Simplify right side
    15,672,640x = 1,359,895,944,372,289
  5. Step 5: Solve for x
    x = 1,359,895,944,372,289/15,672,640
  6. Step 6: Final answer
    x = 86,768,785.88

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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.