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Finding the Third Proportional to 25,672.50 and 55,539

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Solution

The third proportional to 25,672.50 and 55,539 is: 120,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,672.50 : 55,539 = 55,539 : x
  2. Step 2: Convert to fraction form
    25,672.50/55,539 = 55,539/x
  3. Step 3: Cross multiply
    25,672.50x = 55,539 × 55,539
  4. Step 4: Simplify right side
    25,672.50x = 3,084,580,521
  5. Step 5: Solve for x
    x = 3,084,580,521/25,672.50
  6. Step 6: Final answer
    x = 120,151.15

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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.