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Finding the Third Proportional to 14,960 and 31,498

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Solution

The third proportional to 14,960 and 31,498 is: 66,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,960 : 31,498 = 31,498 : x
  2. Step 2: Convert to fraction form
    14,960/31,498 = 31,498/x
  3. Step 3: Cross multiply
    14,960x = 31,498 × 31,498
  4. Step 4: Simplify right side
    14,960x = 992,124,004
  5. Step 5: Solve for x
    x = 992,124,004/14,960
  6. Step 6: Final answer
    x = 66,318.45

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.