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Finding the Third Proportional to 68,261 and 147,058

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Solution

The third proportional to 68,261 and 147,058 is: 316,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,261 : 147,058 = 147,058 : x
  2. Step 2: Convert to fraction form
    68,261/147,058 = 147,058/x
  3. Step 3: Cross multiply
    68,261x = 147,058 × 147,058
  4. Step 4: Simplify right side
    68,261x = 21,626,055,364
  5. Step 5: Solve for x
    x = 21,626,055,364/68,261
  6. Step 6: Final answer
    x = 316,814.22

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.