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Finding the Third Proportional to 40,069.50 and 62,289

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Solution

The third proportional to 40,069.50 and 62,289 is: 96,829.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,069.50 : 62,289 = 62,289 : x
  2. Step 2: Convert to fraction form
    40,069.50/62,289 = 62,289/x
  3. Step 3: Cross multiply
    40,069.50x = 62,289 × 62,289
  4. Step 4: Simplify right side
    40,069.50x = 3,879,919,521
  5. Step 5: Solve for x
    x = 3,879,919,521/40,069.50
  6. Step 6: Final answer
    x = 96,829.75

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.