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Finding the Third Proportional to 55,253 and 84,977

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Solution

The third proportional to 55,253 and 84,977 is: 130,691.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,253 : 84,977 = 84,977 : x
  2. Step 2: Convert to fraction form
    55,253/84,977 = 84,977/x
  3. Step 3: Cross multiply
    55,253x = 84,977 × 84,977
  4. Step 4: Simplify right side
    55,253x = 7,221,090,529
  5. Step 5: Solve for x
    x = 7,221,090,529/55,253
  6. Step 6: Final answer
    x = 130,691.37

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.