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Finding the Third Proportional to 35,415 and 54,261

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Solution

The third proportional to 35,415 and 54,261 is: 83,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,415 : 54,261 = 54,261 : x
  2. Step 2: Convert to fraction form
    35,415/54,261 = 54,261/x
  3. Step 3: Cross multiply
    35,415x = 54,261 × 54,261
  4. Step 4: Simplify right side
    35,415x = 2,944,256,121
  5. Step 5: Solve for x
    x = 2,944,256,121/35,415
  6. Step 6: Final answer
    x = 83,135.85

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.