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Finding the Third Proportional to 18,411 and 28,801.13

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Solution

The third proportional to 18,411 and 28,801.13 is: 45,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411 : 28,801.13 = 28,801.13 : x
  2. Step 2: Convert to fraction form
    18,411/28,801.13 = 28,801.13/x
  3. Step 3: Cross multiply
    18,411x = 28,801.13 × 28,801.13
  4. Step 4: Simplify right side
    18,411x = 829,504,801.27
  5. Step 5: Solve for x
    x = 829,504,801.27/18,411
  6. Step 6: Final answer
    x = 45,054.85

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.