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Finding the Third Proportional to 62,608 and 91,416

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Solution

The third proportional to 62,608 and 91,416 is: 133,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,608 : 91,416 = 91,416 : x
  2. Step 2: Convert to fraction form
    62,608/91,416 = 91,416/x
  3. Step 3: Cross multiply
    62,608x = 91,416 × 91,416
  4. Step 4: Simplify right side
    62,608x = 8,356,885,056
  5. Step 5: Solve for x
    x = 8,356,885,056/62,608
  6. Step 6: Final answer
    x = 133,479.51

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.