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Finding the Third Proportional to 636,174 and 1,386,659.25

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Solution

The third proportional to 636,174 and 1,386,659.25 is: 3,022,481.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,174 : 1,386,659.25 = 1,386,659.25 : x
  2. Step 2: Convert to fraction form
    636,174/1,386,659.25 = 1,386,659.25/x
  3. Step 3: Cross multiply
    636,174x = 1,386,659.25 × 1,386,659.25
  4. Step 4: Simplify right side
    636,174x = 1,922,823,875,610.56
  5. Step 5: Solve for x
    x = 1,922,823,875,610.56/636,174
  6. Step 6: Final answer
    x = 3,022,481.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.