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Finding the Third Proportional to 13,191.19 and 28,460.53

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Solution

The third proportional to 13,191.19 and 28,460.53 is: 61,404.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191.19 : 28,460.53 = 28,460.53 : x
  2. Step 2: Convert to fraction form
    13,191.19/28,460.53 = 28,460.53/x
  3. Step 3: Cross multiply
    13,191.19x = 28,460.53 × 28,460.53
  4. Step 4: Simplify right side
    13,191.19x = 810,001,839.03
  5. Step 5: Solve for x
    x = 810,001,839.03/13,191.19
  6. Step 6: Final answer
    x = 61,404.77

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.