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Finding the Third Proportional to 371,934 and 805,680

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Solution

The third proportional to 371,934 and 805,680 is: 1,745,256.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,934 : 805,680 = 805,680 : x
  2. Step 2: Convert to fraction form
    371,934/805,680 = 805,680/x
  3. Step 3: Cross multiply
    371,934x = 805,680 × 805,680
  4. Step 4: Simplify right side
    371,934x = 649,120,262,400
  5. Step 5: Solve for x
    x = 649,120,262,400/371,934
  6. Step 6: Final answer
    x = 1,745,256.58

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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.