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Finding the Third Proportional to 40,006 and 87,545

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Solution

The third proportional to 40,006 and 87,545 is: 191,574.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,006 : 87,545 = 87,545 : x
  2. Step 2: Convert to fraction form
    40,006/87,545 = 87,545/x
  3. Step 3: Cross multiply
    40,006x = 87,545 × 87,545
  4. Step 4: Simplify right side
    40,006x = 7,664,127,025
  5. Step 5: Solve for x
    x = 7,664,127,025/40,006
  6. Step 6: Final answer
    x = 191,574.44

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.