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Finding the Third Proportional to 29,160 and 68,532

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Solution

The third proportional to 29,160 and 68,532 is: 161,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,160 : 68,532 = 68,532 : x
  2. Step 2: Convert to fraction form
    29,160/68,532 = 68,532/x
  3. Step 3: Cross multiply
    29,160x = 68,532 × 68,532
  4. Step 4: Simplify right side
    29,160x = 4,696,635,024
  5. Step 5: Solve for x
    x = 4,696,635,024/29,160
  6. Step 6: Final answer
    x = 161,064.30

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.