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Finding the Third Proportional to 35,579 and 55,811

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Solution

The third proportional to 35,579 and 55,811 is: 87,547.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,579 : 55,811 = 55,811 : x
  2. Step 2: Convert to fraction form
    35,579/55,811 = 55,811/x
  3. Step 3: Cross multiply
    35,579x = 55,811 × 55,811
  4. Step 4: Simplify right side
    35,579x = 3,114,867,721
  5. Step 5: Solve for x
    x = 3,114,867,721/35,579
  6. Step 6: Final answer
    x = 87,547.93

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.