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Finding the Third Proportional to 56,771 and 85,943

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Solution

The third proportional to 56,771 and 85,943 is: 130,105.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,771 : 85,943 = 85,943 : x
  2. Step 2: Convert to fraction form
    56,771/85,943 = 85,943/x
  3. Step 3: Cross multiply
    56,771x = 85,943 × 85,943
  4. Step 4: Simplify right side
    56,771x = 7,386,199,249
  5. Step 5: Solve for x
    x = 7,386,199,249/56,771
  6. Step 6: Final answer
    x = 130,105.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.