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Finding the Third Proportional to 15,355 and 23,711

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Solution

The third proportional to 15,355 and 23,711 is: 36,614.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,355 : 23,711 = 23,711 : x
  2. Step 2: Convert to fraction form
    15,355/23,711 = 23,711/x
  3. Step 3: Cross multiply
    15,355x = 23,711 × 23,711
  4. Step 4: Simplify right side
    15,355x = 562,211,521
  5. Step 5: Solve for x
    x = 562,211,521/15,355
  6. Step 6: Final answer
    x = 36,614.23

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.