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Finding the Third Proportional to 71,660 and 97,284

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Solution

The third proportional to 71,660 and 97,284 is: 132,070.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,660 : 97,284 = 97,284 : x
  2. Step 2: Convert to fraction form
    71,660/97,284 = 97,284/x
  3. Step 3: Cross multiply
    71,660x = 97,284 × 97,284
  4. Step 4: Simplify right side
    71,660x = 9,464,176,656
  5. Step 5: Solve for x
    x = 9,464,176,656/71,660
  6. Step 6: Final answer
    x = 132,070.56

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.