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Finding the Third Proportional to 28,830 and 62,580

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Solution

The third proportional to 28,830 and 62,580 is: 135,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,830 : 62,580 = 62,580 : x
  2. Step 2: Convert to fraction form
    28,830/62,580 = 62,580/x
  3. Step 3: Cross multiply
    28,830x = 62,580 × 62,580
  4. Step 4: Simplify right side
    28,830x = 3,916,256,400
  5. Step 5: Solve for x
    x = 3,916,256,400/28,830
  6. Step 6: Final answer
    x = 135,839.63

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.