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Finding the Third Proportional to 63,663.28 and 134,915.44

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Solution

The third proportional to 63,663.28 and 134,915.44 is: 285,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,663.28 : 134,915.44 = 134,915.44 : x
  2. Step 2: Convert to fraction form
    63,663.28/134,915.44 = 134,915.44/x
  3. Step 3: Cross multiply
    63,663.28x = 134,915.44 × 134,915.44
  4. Step 4: Simplify right side
    63,663.28x = 18,202,175,275.82
  5. Step 5: Solve for x
    x = 18,202,175,275.82/63,663.28
  6. Step 6: Final answer
    x = 285,913.24

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.