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Finding the Third Proportional to 62,860.50 and 127,543.50

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Solution

The third proportional to 62,860.50 and 127,543.50 is: 258,784.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,860.50 : 127,543.50 = 127,543.50 : x
  2. Step 2: Convert to fraction form
    62,860.50/127,543.50 = 127,543.50/x
  3. Step 3: Cross multiply
    62,860.50x = 127,543.50 × 127,543.50
  4. Step 4: Simplify right side
    62,860.50x = 16,267,344,392.25
  5. Step 5: Solve for x
    x = 16,267,344,392.25/62,860.50
  6. Step 6: Final answer
    x = 258,784.84

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.