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Finding the Third Proportional to 3,988,144 and 6,187,065

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Solution

The third proportional to 3,988,144 and 6,187,065 is: 9,598,392.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,144 : 6,187,065 = 6,187,065 : x
  2. Step 2: Convert to fraction form
    3,988,144/6,187,065 = 6,187,065/x
  3. Step 3: Cross multiply
    3,988,144x = 6,187,065 × 6,187,065
  4. Step 4: Simplify right side
    3,988,144x = 38,279,773,314,225
  5. Step 5: Solve for x
    x = 38,279,773,314,225/3,988,144
  6. Step 6: Final answer
    x = 9,598,392.97

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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.