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Finding the Third Proportional to 40,267.76 and 87,534.11

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Solution

The third proportional to 40,267.76 and 87,534.11 is: 190,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,267.76 : 87,534.11 = 87,534.11 : x
  2. Step 2: Convert to fraction form
    40,267.76/87,534.11 = 87,534.11/x
  3. Step 3: Cross multiply
    40,267.76x = 87,534.11 × 87,534.11
  4. Step 4: Simplify right side
    40,267.76x = 7,662,219,620.21
  5. Step 5: Solve for x
    x = 7,662,219,620.21/40,267.76
  6. Step 6: Final answer
    x = 190,281.75

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.