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Finding the Third Proportional to 20,887.75 and 32,359

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Solution

The third proportional to 20,887.75 and 32,359 is: 50,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,887.75 : 32,359 = 32,359 : x
  2. Step 2: Convert to fraction form
    20,887.75/32,359 = 32,359/x
  3. Step 3: Cross multiply
    20,887.75x = 32,359 × 32,359
  4. Step 4: Simplify right side
    20,887.75x = 1,047,104,881
  5. Step 5: Solve for x
    x = 1,047,104,881/20,887.75
  6. Step 6: Final answer
    x = 50,130.09

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.