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Finding the Third Proportional to 66,132 and 102,117

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Solution

The third proportional to 66,132 and 102,117 is: 157,682.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,132 : 102,117 = 102,117 : x
  2. Step 2: Convert to fraction form
    66,132/102,117 = 102,117/x
  3. Step 3: Cross multiply
    66,132x = 102,117 × 102,117
  4. Step 4: Simplify right side
    66,132x = 10,427,881,689
  5. Step 5: Solve for x
    x = 10,427,881,689/66,132
  6. Step 6: Final answer
    x = 157,682.84

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.