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Finding the Third Proportional to 40,466 and 87,588

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Solution

The third proportional to 40,466 and 87,588 is: 189,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,466 : 87,588 = 87,588 : x
  2. Step 2: Convert to fraction form
    40,466/87,588 = 87,588/x
  3. Step 3: Cross multiply
    40,466x = 87,588 × 87,588
  4. Step 4: Simplify right side
    40,466x = 7,671,657,744
  5. Step 5: Solve for x
    x = 7,671,657,744/40,466
  6. Step 6: Final answer
    x = 189,582.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.