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Finding the Third Proportional to 10,708 and 14,038

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Solution

The third proportional to 10,708 and 14,038 is: 18,403.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,708 : 14,038 = 14,038 : x
  2. Step 2: Convert to fraction form
    10,708/14,038 = 14,038/x
  3. Step 3: Cross multiply
    10,708x = 14,038 × 14,038
  4. Step 4: Simplify right side
    10,708x = 197,065,444
  5. Step 5: Solve for x
    x = 197,065,444/10,708
  6. Step 6: Final answer
    x = 18,403.57

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.