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Finding the Third Proportional to 60,896 and 81,460

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Solution

The third proportional to 60,896 and 81,460 is: 108,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,896 : 81,460 = 81,460 : x
  2. Step 2: Convert to fraction form
    60,896/81,460 = 81,460/x
  3. Step 3: Cross multiply
    60,896x = 81,460 × 81,460
  4. Step 4: Simplify right side
    60,896x = 6,635,731,600
  5. Step 5: Solve for x
    x = 6,635,731,600/60,896
  6. Step 6: Final answer
    x = 108,968.27

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.