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Finding the Third Proportional to 10,019.75 and 15,636

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Solution

The third proportional to 10,019.75 and 15,636 is: 24,400.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.75 : 15,636 = 15,636 : x
  2. Step 2: Convert to fraction form
    10,019.75/15,636 = 15,636/x
  3. Step 3: Cross multiply
    10,019.75x = 15,636 × 15,636
  4. Step 4: Simplify right side
    10,019.75x = 244,484,496
  5. Step 5: Solve for x
    x = 244,484,496/10,019.75
  6. Step 6: Final answer
    x = 24,400.26

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.