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Finding the Third Proportional to 818,298.56 and 1,778,239.13

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Solution

The third proportional to 818,298.56 and 1,778,239.13 is: 3,864,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,298.56 : 1,778,239.13 = 1,778,239.13 : x
  2. Step 2: Convert to fraction form
    818,298.56/1,778,239.13 = 1,778,239.13/x
  3. Step 3: Cross multiply
    818,298.56x = 1,778,239.13 × 1,778,239.13
  4. Step 4: Simplify right side
    818,298.56x = 3,162,134,385,680.77
  5. Step 5: Solve for x
    x = 3,162,134,385,680.77/818,298.56
  6. Step 6: Final answer
    x = 3,864,279.53

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.