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Finding the Third Proportional to 157,768 and 344,648

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Solution

The third proportional to 157,768 and 344,648 is: 752,891.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,768 : 344,648 = 344,648 : x
  2. Step 2: Convert to fraction form
    157,768/344,648 = 344,648/x
  3. Step 3: Cross multiply
    157,768x = 344,648 × 344,648
  4. Step 4: Simplify right side
    157,768x = 118,782,243,904
  5. Step 5: Solve for x
    x = 118,782,243,904/157,768
  6. Step 6: Final answer
    x = 752,891.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.