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Finding the Third Proportional to 17,432 and 26,312

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Solution

The third proportional to 17,432 and 26,312 is: 39,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,432 : 26,312 = 26,312 : x
  2. Step 2: Convert to fraction form
    17,432/26,312 = 26,312/x
  3. Step 3: Cross multiply
    17,432x = 26,312 × 26,312
  4. Step 4: Simplify right side
    17,432x = 692,321,344
  5. Step 5: Solve for x
    x = 692,321,344/17,432
  6. Step 6: Final answer
    x = 39,715.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.