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Finding the Third Proportional to 5,561,687 and 8,607,153

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Solution

The third proportional to 5,561,687 and 8,607,153 is: 13,320,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561,687 : 8,607,153 = 8,607,153 : x
  2. Step 2: Convert to fraction form
    5,561,687/8,607,153 = 8,607,153/x
  3. Step 3: Cross multiply
    5,561,687x = 8,607,153 × 8,607,153
  4. Step 4: Simplify right side
    5,561,687x = 74,083,082,765,409
  5. Step 5: Solve for x
    x = 74,083,082,765,409/5,561,687
  6. Step 6: Final answer
    x = 13,320,253.87

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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.