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Finding the Third Proportional to 653,865 and 1,407,923

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Solution

The third proportional to 653,865 and 1,407,923 is: 3,031,584.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,865 : 1,407,923 = 1,407,923 : x
  2. Step 2: Convert to fraction form
    653,865/1,407,923 = 1,407,923/x
  3. Step 3: Cross multiply
    653,865x = 1,407,923 × 1,407,923
  4. Step 4: Simplify right side
    653,865x = 1,982,247,173,929
  5. Step 5: Solve for x
    x = 1,982,247,173,929/653,865
  6. Step 6: Final answer
    x = 3,031,584.77

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.