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Finding the Third Proportional to 66,432 and 98,701

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Solution

The third proportional to 66,432 and 98,701 is: 146,644.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432 : 98,701 = 98,701 : x
  2. Step 2: Convert to fraction form
    66,432/98,701 = 98,701/x
  3. Step 3: Cross multiply
    66,432x = 98,701 × 98,701
  4. Step 4: Simplify right side
    66,432x = 9,741,887,401
  5. Step 5: Solve for x
    x = 9,741,887,401/66,432
  6. Step 6: Final answer
    x = 146,644.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.