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Finding the Third Proportional to 66,508,719 and 155,394,376.50

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Solution

The third proportional to 66,508,719 and 155,394,376.50 is: 363,071,377.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,508,719 : 155,394,376.50 = 155,394,376.50 : x
  2. Step 2: Convert to fraction form
    66,508,719/155,394,376.50 = 155,394,376.50/x
  3. Step 3: Cross multiply
    66,508,719x = 155,394,376.50 × 155,394,376.50
  4. Step 4: Simplify right side
    66,508,719x = 24,147,412,247,823,752
  5. Step 5: Solve for x
    x = 24,147,412,247,823,752/66,508,719
  6. Step 6: Final answer
    x = 363,071,377.87

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.