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Finding the Third Proportional to 401,034.72 and 891,738.57

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Solution

The third proportional to 401,034.72 and 891,738.57 is: 1,982,864.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,034.72 : 891,738.57 = 891,738.57 : x
  2. Step 2: Convert to fraction form
    401,034.72/891,738.57 = 891,738.57/x
  3. Step 3: Cross multiply
    401,034.72x = 891,738.57 × 891,738.57
  4. Step 4: Simplify right side
    401,034.72x = 795,197,679,524.67
  5. Step 5: Solve for x
    x = 795,197,679,524.67/401,034.72
  6. Step 6: Final answer
    x = 1,982,864.93

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.