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Finding the Third Proportional to 20,503.13 and 29,625.75

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Solution

The third proportional to 20,503.13 and 29,625.75 is: 42,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503.13 : 29,625.75 = 29,625.75 : x
  2. Step 2: Convert to fraction form
    20,503.13/29,625.75 = 29,625.75/x
  3. Step 3: Cross multiply
    20,503.13x = 29,625.75 × 29,625.75
  4. Step 4: Simplify right side
    20,503.13x = 877,685,063.06
  5. Step 5: Solve for x
    x = 877,685,063.06/20,503.13
  6. Step 6: Final answer
    x = 42,807.38

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.