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Finding the Third Proportional to 55,345 and 83,058

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Solution

The third proportional to 55,345 and 83,058 is: 124,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,345 : 83,058 = 83,058 : x
  2. Step 2: Convert to fraction form
    55,345/83,058 = 83,058/x
  3. Step 3: Cross multiply
    55,345x = 83,058 × 83,058
  4. Step 4: Simplify right side
    55,345x = 6,898,631,364
  5. Step 5: Solve for x
    x = 6,898,631,364/55,345
  6. Step 6: Final answer
    x = 124,647.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.