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Finding the Third Proportional to 13,860 and 28,706

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Solution

The third proportional to 13,860 and 28,706 is: 59,454.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860 : 28,706 = 28,706 : x
  2. Step 2: Convert to fraction form
    13,860/28,706 = 28,706/x
  3. Step 3: Cross multiply
    13,860x = 28,706 × 28,706
  4. Step 4: Simplify right side
    13,860x = 824,034,436
  5. Step 5: Solve for x
    x = 824,034,436/13,860
  6. Step 6: Final answer
    x = 59,454.14

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.