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Finding the Third Proportional to 15,655.50 and 32,031

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Solution

The third proportional to 15,655.50 and 32,031 is: 65,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655.50 : 32,031 = 32,031 : x
  2. Step 2: Convert to fraction form
    15,655.50/32,031 = 32,031/x
  3. Step 3: Cross multiply
    15,655.50x = 32,031 × 32,031
  4. Step 4: Simplify right side
    15,655.50x = 1,025,984,961
  5. Step 5: Solve for x
    x = 1,025,984,961/15,655.50
  6. Step 6: Final answer
    x = 65,535.11

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.