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Finding the Third Proportional to 17,880.75 and 27,901.13

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Solution

The third proportional to 17,880.75 and 27,901.13 is: 43,536.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880.75 : 27,901.13 = 27,901.13 : x
  2. Step 2: Convert to fraction form
    17,880.75/27,901.13 = 27,901.13/x
  3. Step 3: Cross multiply
    17,880.75x = 27,901.13 × 27,901.13
  4. Step 4: Simplify right side
    17,880.75x = 778,472,776.27
  5. Step 5: Solve for x
    x = 778,472,776.27/17,880.75
  6. Step 6: Final answer
    x = 43,536.92

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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.