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Finding the Third Proportional to 40,045 and 85,029

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Solution

The third proportional to 40,045 and 85,029 is: 180,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,045 : 85,029 = 85,029 : x
  2. Step 2: Convert to fraction form
    40,045/85,029 = 85,029/x
  3. Step 3: Cross multiply
    40,045x = 85,029 × 85,029
  4. Step 4: Simplify right side
    40,045x = 7,229,930,841
  5. Step 5: Solve for x
    x = 7,229,930,841/40,045
  6. Step 6: Final answer
    x = 180,545.16

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.