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Finding the Third Proportional to 15,722 and 23,581

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Solution

The third proportional to 15,722 and 23,581 is: 35,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,722 : 23,581 = 23,581 : x
  2. Step 2: Convert to fraction form
    15,722/23,581 = 23,581/x
  3. Step 3: Cross multiply
    15,722x = 23,581 × 23,581
  4. Step 4: Simplify right side
    15,722x = 556,063,561
  5. Step 5: Solve for x
    x = 556,063,561/15,722
  6. Step 6: Final answer
    x = 35,368.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.