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Finding the Third Proportional to 20,332 and 29,571.50

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Solution

The third proportional to 20,332 and 29,571.50 is: 43,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332 : 29,571.50 = 29,571.50 : x
  2. Step 2: Convert to fraction form
    20,332/29,571.50 = 29,571.50/x
  3. Step 3: Cross multiply
    20,332x = 29,571.50 × 29,571.50
  4. Step 4: Simplify right side
    20,332x = 874,473,612.25
  5. Step 5: Solve for x
    x = 874,473,612.25/20,332
  6. Step 6: Final answer
    x = 43,009.72

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.