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Finding the Third Proportional to 62,721 and 97,155

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Solution

The third proportional to 62,721 and 97,155 is: 150,493.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,721 : 97,155 = 97,155 : x
  2. Step 2: Convert to fraction form
    62,721/97,155 = 97,155/x
  3. Step 3: Cross multiply
    62,721x = 97,155 × 97,155
  4. Step 4: Simplify right side
    62,721x = 9,439,094,025
  5. Step 5: Solve for x
    x = 9,439,094,025/62,721
  6. Step 6: Final answer
    x = 150,493.36

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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.