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Finding the Third Proportional to 15,614 and 31,492

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Solution

The third proportional to 15,614 and 31,492 is: 63,516.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614 : 31,492 = 31,492 : x
  2. Step 2: Convert to fraction form
    15,614/31,492 = 31,492/x
  3. Step 3: Cross multiply
    15,614x = 31,492 × 31,492
  4. Step 4: Simplify right side
    15,614x = 991,746,064
  5. Step 5: Solve for x
    x = 991,746,064/15,614
  6. Step 6: Final answer
    x = 63,516.46

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.