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Finding the Third Proportional to 28,232.25 and 61,386

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Solution

The third proportional to 28,232.25 and 61,386 is: 133,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232.25 : 61,386 = 61,386 : x
  2. Step 2: Convert to fraction form
    28,232.25/61,386 = 61,386/x
  3. Step 3: Cross multiply
    28,232.25x = 61,386 × 61,386
  4. Step 4: Simplify right side
    28,232.25x = 3,768,240,996
  5. Step 5: Solve for x
    x = 3,768,240,996/28,232.25
  6. Step 6: Final answer
    x = 133,472.93

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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.