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Finding the Third Proportional to 5,515,428 and 8,561,846

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Solution

The third proportional to 5,515,428 and 8,561,846 is: 13,290,937.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515,428 : 8,561,846 = 8,561,846 : x
  2. Step 2: Convert to fraction form
    5,515,428/8,561,846 = 8,561,846/x
  3. Step 3: Cross multiply
    5,515,428x = 8,561,846 × 8,561,846
  4. Step 4: Simplify right side
    5,515,428x = 73,305,206,927,716
  5. Step 5: Solve for x
    x = 73,305,206,927,716/5,515,428
  6. Step 6: Final answer
    x = 13,290,937.15

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.