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Finding the Third Proportional to 681,598.13 and 1,058,357.81

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Solution

The third proportional to 681,598.13 and 1,058,357.81 is: 1,643,374.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,598.13 : 1,058,357.81 = 1,058,357.81 : x
  2. Step 2: Convert to fraction form
    681,598.13/1,058,357.81 = 1,058,357.81/x
  3. Step 3: Cross multiply
    681,598.13x = 1,058,357.81 × 1,058,357.81
  4. Step 4: Simplify right side
    681,598.13x = 1,120,121,259,279.79
  5. Step 5: Solve for x
    x = 1,120,121,259,279.79/681,598.13
  6. Step 6: Final answer
    x = 1,643,374.91

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.