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Finding the Third Proportional to 65,215.13 and 87,353.44

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Solution

The third proportional to 65,215.13 and 87,353.44 is: 117,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,215.13 : 87,353.44 = 87,353.44 : x
  2. Step 2: Convert to fraction form
    65,215.13/87,353.44 = 87,353.44/x
  3. Step 3: Cross multiply
    65,215.13x = 87,353.44 × 87,353.44
  4. Step 4: Simplify right side
    65,215.13x = 7,630,623,043.07
  5. Step 5: Solve for x
    x = 7,630,623,043.07/65,215.13
  6. Step 6: Final answer
    x = 117,006.95

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.