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Finding the Third Proportional to 27,309 and 43,423.50

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Solution

The third proportional to 27,309 and 43,423.50 is: 69,046.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,309 : 43,423.50 = 43,423.50 : x
  2. Step 2: Convert to fraction form
    27,309/43,423.50 = 43,423.50/x
  3. Step 3: Cross multiply
    27,309x = 43,423.50 × 43,423.50
  4. Step 4: Simplify right side
    27,309x = 1,885,600,352.25
  5. Step 5: Solve for x
    x = 1,885,600,352.25/27,309
  6. Step 6: Final answer
    x = 69,046.85

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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.