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Finding the Third Proportional to 336,680 and 736,720

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Solution

The third proportional to 336,680 and 736,720 is: 1,612,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,680 : 736,720 = 736,720 : x
  2. Step 2: Convert to fraction form
    336,680/736,720 = 736,720/x
  3. Step 3: Cross multiply
    336,680x = 736,720 × 736,720
  4. Step 4: Simplify right side
    336,680x = 542,756,358,400
  5. Step 5: Solve for x
    x = 542,756,358,400/336,680
  6. Step 6: Final answer
    x = 1,612,083.75

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.