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Finding the Third Proportional to 1,439,775 and 2,157,455.25

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Solution

The third proportional to 1,439,775 and 2,157,455.25 is: 3,232,875.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,775 : 2,157,455.25 = 2,157,455.25 : x
  2. Step 2: Convert to fraction form
    1,439,775/2,157,455.25 = 2,157,455.25/x
  3. Step 3: Cross multiply
    1,439,775x = 2,157,455.25 × 2,157,455.25
  4. Step 4: Simplify right side
    1,439,775x = 4,654,613,155,752.56
  5. Step 5: Solve for x
    x = 4,654,613,155,752.56/1,439,775
  6. Step 6: Final answer
    x = 3,232,875.38

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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.