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Finding the Third Proportional to 63,578.25 and 93,423

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Solution

The third proportional to 63,578.25 and 93,423 is: 137,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,578.25 : 93,423 = 93,423 : x
  2. Step 2: Convert to fraction form
    63,578.25/93,423 = 93,423/x
  3. Step 3: Cross multiply
    63,578.25x = 93,423 × 93,423
  4. Step 4: Simplify right side
    63,578.25x = 8,727,856,929
  5. Step 5: Solve for x
    x = 8,727,856,929/63,578.25
  6. Step 6: Final answer
    x = 137,277.40

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.