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Finding the Third Proportional to 60.47 and 132.47

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Solution

The third proportional to 60.47 and 132.47 is: 290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.47 : 132.47 = 132.47 : x
  2. Step 2: Convert to fraction form
    60.47/132.47 = 132.47/x
  3. Step 3: Cross multiply
    60.47x = 132.47 × 132.47
  4. Step 4: Simplify right side
    60.47x = 17,547.97
  5. Step 5: Solve for x
    x = 17,547.97/60.47
  6. Step 6: Final answer
    x = 290.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.