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Finding the Third Proportional to 10,047 and 15,009

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Solution

The third proportional to 10,047 and 15,009 is: 22,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,047 : 15,009 = 15,009 : x
  2. Step 2: Convert to fraction form
    10,047/15,009 = 15,009/x
  3. Step 3: Cross multiply
    10,047x = 15,009 × 15,009
  4. Step 4: Simplify right side
    10,047x = 225,270,081
  5. Step 5: Solve for x
    x = 225,270,081/10,047
  6. Step 6: Final answer
    x = 22,421.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.