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Finding the Third Proportional to 315,948 and 695,936

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Solution

The third proportional to 315,948 and 695,936 is: 1,532,932.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,948 : 695,936 = 695,936 : x
  2. Step 2: Convert to fraction form
    315,948/695,936 = 695,936/x
  3. Step 3: Cross multiply
    315,948x = 695,936 × 695,936
  4. Step 4: Simplify right side
    315,948x = 484,326,916,096
  5. Step 5: Solve for x
    x = 484,326,916,096/315,948
  6. Step 6: Final answer
    x = 1,532,932.37

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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.