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Finding the Third Proportional to 14,344 and 31,460

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Solution

The third proportional to 14,344 and 31,460 is: 68,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344 : 31,460 = 31,460 : x
  2. Step 2: Convert to fraction form
    14,344/31,460 = 31,460/x
  3. Step 3: Cross multiply
    14,344x = 31,460 × 31,460
  4. Step 4: Simplify right side
    14,344x = 989,731,600
  5. Step 5: Solve for x
    x = 989,731,600/14,344
  6. Step 6: Final answer
    x = 68,999.69

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.