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Finding the Third Proportional to 28,658 and 61,550

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Solution

The third proportional to 28,658 and 61,550 is: 132,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,658 : 61,550 = 61,550 : x
  2. Step 2: Convert to fraction form
    28,658/61,550 = 61,550/x
  3. Step 3: Cross multiply
    28,658x = 61,550 × 61,550
  4. Step 4: Simplify right side
    28,658x = 3,788,402,500
  5. Step 5: Solve for x
    x = 3,788,402,500/28,658
  6. Step 6: Final answer
    x = 132,193.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.