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Finding the Third Proportional to 315,950 and 695,940

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Solution

The third proportional to 315,950 and 695,940 is: 1,532,940.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,950 : 695,940 = 695,940 : x
  2. Step 2: Convert to fraction form
    315,950/695,940 = 695,940/x
  3. Step 3: Cross multiply
    315,950x = 695,940 × 695,940
  4. Step 4: Simplify right side
    315,950x = 484,332,483,600
  5. Step 5: Solve for x
    x = 484,332,483,600/315,950
  6. Step 6: Final answer
    x = 1,532,940.29

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.