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Finding the Third Proportional to 62,280 and 93,200

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Solution

The third proportional to 62,280 and 93,200 is: 139,470.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,280 : 93,200 = 93,200 : x
  2. Step 2: Convert to fraction form
    62,280/93,200 = 93,200/x
  3. Step 3: Cross multiply
    62,280x = 93,200 × 93,200
  4. Step 4: Simplify right side
    62,280x = 8,686,240,000
  5. Step 5: Solve for x
    x = 8,686,240,000/62,280
  6. Step 6: Final answer
    x = 139,470.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.