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Finding the Third Proportional to 28,010.25 and 43,372.13

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Solution

The third proportional to 28,010.25 and 43,372.13 is: 67,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.25 : 43,372.13 = 43,372.13 : x
  2. Step 2: Convert to fraction form
    28,010.25/43,372.13 = 43,372.13/x
  3. Step 3: Cross multiply
    28,010.25x = 43,372.13 × 43,372.13
  4. Step 4: Simplify right side
    28,010.25x = 1,881,141,227.02
  5. Step 5: Solve for x
    x = 1,881,141,227.02/28,010.25
  6. Step 6: Final answer
    x = 67,159.03

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.