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Finding the Third Proportional to 40,562 and 87,160

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Solution

The third proportional to 40,562 and 87,160 is: 187,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,562 : 87,160 = 87,160 : x
  2. Step 2: Convert to fraction form
    40,562/87,160 = 87,160/x
  3. Step 3: Cross multiply
    40,562x = 87,160 × 87,160
  4. Step 4: Simplify right side
    40,562x = 7,596,865,600
  5. Step 5: Solve for x
    x = 7,596,865,600/40,562
  6. Step 6: Final answer
    x = 187,290.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.