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Finding the Third Proportional to 28,080 and 43,804

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Solution

The third proportional to 28,080 and 43,804 is: 68,332.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080 : 43,804 = 43,804 : x
  2. Step 2: Convert to fraction form
    28,080/43,804 = 43,804/x
  3. Step 3: Cross multiply
    28,080x = 43,804 × 43,804
  4. Step 4: Simplify right side
    28,080x = 1,918,790,416
  5. Step 5: Solve for x
    x = 1,918,790,416/28,080
  6. Step 6: Final answer
    x = 68,332.99

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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.