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Finding the Third Proportional to 455,268 and 655,782

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Solution

The third proportional to 455,268 and 655,782 is: 944,608.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,268 : 655,782 = 655,782 : x
  2. Step 2: Convert to fraction form
    455,268/655,782 = 655,782/x
  3. Step 3: Cross multiply
    455,268x = 655,782 × 655,782
  4. Step 4: Simplify right side
    455,268x = 430,050,031,524
  5. Step 5: Solve for x
    x = 430,050,031,524/455,268
  6. Step 6: Final answer
    x = 944,608.52

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.