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Finding the Third Proportional to 21,125.81 and 32,901.19

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Solution

The third proportional to 21,125.81 and 32,901.19 is: 51,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,125.81 : 32,901.19 = 32,901.19 : x
  2. Step 2: Convert to fraction form
    21,125.81/32,901.19 = 32,901.19/x
  3. Step 3: Cross multiply
    21,125.81x = 32,901.19 × 32,901.19
  4. Step 4: Simplify right side
    21,125.81x = 1,082,488,138.91
  5. Step 5: Solve for x
    x = 1,082,488,138.91/21,125.81
  6. Step 6: Final answer
    x = 51,240.07

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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.