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Finding the Third Proportional to 315,796 and 472,734

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Solution

The third proportional to 315,796 and 472,734 is: 707,663.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,796 : 472,734 = 472,734 : x
  2. Step 2: Convert to fraction form
    315,796/472,734 = 472,734/x
  3. Step 3: Cross multiply
    315,796x = 472,734 × 472,734
  4. Step 4: Simplify right side
    315,796x = 223,477,434,756
  5. Step 5: Solve for x
    x = 223,477,434,756/315,796
  6. Step 6: Final answer
    x = 707,663.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.