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Finding the Third Proportional to 20,508.19 and 32,129.16

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Solution

The third proportional to 20,508.19 and 32,129.16 is: 50,335.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,508.19 : 32,129.16 = 32,129.16 : x
  2. Step 2: Convert to fraction form
    20,508.19/32,129.16 = 32,129.16/x
  3. Step 3: Cross multiply
    20,508.19x = 32,129.16 × 32,129.16
  4. Step 4: Simplify right side
    20,508.19x = 1,032,282,681.34
  5. Step 5: Solve for x
    x = 1,032,282,681.34/20,508.19
  6. Step 6: Final answer
    x = 50,335.15

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.