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Finding the Third Proportional to 26,890.88 and 42,709.13

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Solution

The third proportional to 26,890.88 and 42,709.13 is: 67,832.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.88 : 42,709.13 = 42,709.13 : x
  2. Step 2: Convert to fraction form
    26,890.88/42,709.13 = 42,709.13/x
  3. Step 3: Cross multiply
    26,890.88x = 42,709.13 × 42,709.13
  4. Step 4: Simplify right side
    26,890.88x = 1,824,069,358.27
  5. Step 5: Solve for x
    x = 1,824,069,358.27/26,890.88
  6. Step 6: Final answer
    x = 67,832.28

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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.