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Finding the Third Proportional to 66,264 and 102,716

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Solution

The third proportional to 66,264 and 102,716 is: 159,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,264 : 102,716 = 102,716 : x
  2. Step 2: Convert to fraction form
    66,264/102,716 = 102,716/x
  3. Step 3: Cross multiply
    66,264x = 102,716 × 102,716
  4. Step 4: Simplify right side
    66,264x = 10,550,576,656
  5. Step 5: Solve for x
    x = 10,550,576,656/66,264
  6. Step 6: Final answer
    x = 159,220.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.