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Finding the Third Proportional to 4,087,121 and 8,761,049

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Solution

The third proportional to 4,087,121 and 8,761,049 is: 18,779,962.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087,121 : 8,761,049 = 8,761,049 : x
  2. Step 2: Convert to fraction form
    4,087,121/8,761,049 = 8,761,049/x
  3. Step 3: Cross multiply
    4,087,121x = 8,761,049 × 8,761,049
  4. Step 4: Simplify right side
    4,087,121x = 76,755,979,580,401
  5. Step 5: Solve for x
    x = 76,755,979,580,401/4,087,121
  6. Step 6: Final answer
    x = 18,779,962.61

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.