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Finding the Third Proportional to 66,474,432 and 103,910,688

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Solution

The third proportional to 66,474,432 and 103,910,688 is: 162,429,835.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,474,432 : 103,910,688 = 103,910,688 : x
  2. Step 2: Convert to fraction form
    66,474,432/103,910,688 = 103,910,688/x
  3. Step 3: Cross multiply
    66,474,432x = 103,910,688 × 103,910,688
  4. Step 4: Simplify right side
    66,474,432x = 10,797,431,080,633,344
  5. Step 5: Solve for x
    x = 10,797,431,080,633,344/66,474,432
  6. Step 6: Final answer
    x = 162,429,835.89

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.