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Finding the Third Proportional to 18,040 and 28,348

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Solution

The third proportional to 18,040 and 28,348 is: 44,545.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040 : 28,348 = 28,348 : x
  2. Step 2: Convert to fraction form
    18,040/28,348 = 28,348/x
  3. Step 3: Cross multiply
    18,040x = 28,348 × 28,348
  4. Step 4: Simplify right side
    18,040x = 803,609,104
  5. Step 5: Solve for x
    x = 803,609,104/18,040
  6. Step 6: Final answer
    x = 44,545.96

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.