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Finding the Third Proportional to 18,924 and 28,650

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Solution

The third proportional to 18,924 and 28,650 is: 43,374.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924 : 28,650 = 28,650 : x
  2. Step 2: Convert to fraction form
    18,924/28,650 = 28,650/x
  3. Step 3: Cross multiply
    18,924x = 28,650 × 28,650
  4. Step 4: Simplify right side
    18,924x = 820,822,500
  5. Step 5: Solve for x
    x = 820,822,500/18,924
  6. Step 6: Final answer
    x = 43,374.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.