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Finding the Third Proportional to 350,246 and 554,691

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Solution

The third proportional to 350,246 and 554,691 is: 878,474.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,246 : 554,691 = 554,691 : x
  2. Step 2: Convert to fraction form
    350,246/554,691 = 554,691/x
  3. Step 3: Cross multiply
    350,246x = 554,691 × 554,691
  4. Step 4: Simplify right side
    350,246x = 307,682,105,481
  5. Step 5: Solve for x
    x = 307,682,105,481/350,246
  6. Step 6: Final answer
    x = 878,474.29

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.