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Finding the Third Proportional to 60,416 and 133,120

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Solution

The third proportional to 60,416 and 133,120 is: 293,315.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,416 : 133,120 = 133,120 : x
  2. Step 2: Convert to fraction form
    60,416/133,120 = 133,120/x
  3. Step 3: Cross multiply
    60,416x = 133,120 × 133,120
  4. Step 4: Simplify right side
    60,416x = 17,720,934,400
  5. Step 5: Solve for x
    x = 17,720,934,400/60,416
  6. Step 6: Final answer
    x = 293,315.25

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.