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Finding the Third Proportional to 10,211 and 15,043

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Solution

The third proportional to 10,211 and 15,043 is: 22,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211 : 15,043 = 15,043 : x
  2. Step 2: Convert to fraction form
    10,211/15,043 = 15,043/x
  3. Step 3: Cross multiply
    10,211x = 15,043 × 15,043
  4. Step 4: Simplify right side
    10,211x = 226,291,849
  5. Step 5: Solve for x
    x = 226,291,849/10,211
  6. Step 6: Final answer
    x = 22,161.58

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.