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Finding the Third Proportional to 28,540.13 and 45,452.63

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Solution

The third proportional to 28,540.13 and 45,452.63 is: 72,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,540.13 : 45,452.63 = 45,452.63 : x
  2. Step 2: Convert to fraction form
    28,540.13/45,452.63 = 45,452.63/x
  3. Step 3: Cross multiply
    28,540.13x = 45,452.63 × 45,452.63
  4. Step 4: Simplify right side
    28,540.13x = 2,065,941,119.39
  5. Step 5: Solve for x
    x = 2,065,941,119.39/28,540.13
  6. Step 6: Final answer
    x = 72,387.25

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.