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Finding the Third Proportional to 170,865 and 395,557

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Solution

The third proportional to 170,865 and 395,557 is: 915,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,865 : 395,557 = 395,557 : x
  2. Step 2: Convert to fraction form
    170,865/395,557 = 395,557/x
  3. Step 3: Cross multiply
    170,865x = 395,557 × 395,557
  4. Step 4: Simplify right side
    170,865x = 156,465,340,249
  5. Step 5: Solve for x
    x = 156,465,340,249/170,865
  6. Step 6: Final answer
    x = 915,724.93

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.