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Finding the Third Proportional to 66,920 and 98,532

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Solution

The third proportional to 66,920 and 98,532 is: 145,077.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,920 : 98,532 = 98,532 : x
  2. Step 2: Convert to fraction form
    66,920/98,532 = 98,532/x
  3. Step 3: Cross multiply
    66,920x = 98,532 × 98,532
  4. Step 4: Simplify right side
    66,920x = 9,708,555,024
  5. Step 5: Solve for x
    x = 9,708,555,024/66,920
  6. Step 6: Final answer
    x = 145,077.03

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.