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Finding the Third Proportional to 455,278 and 655,797

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Solution

The third proportional to 455,278 and 655,797 is: 944,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,278 : 655,797 = 655,797 : x
  2. Step 2: Convert to fraction form
    455,278/655,797 = 655,797/x
  3. Step 3: Cross multiply
    455,278x = 655,797 × 655,797
  4. Step 4: Simplify right side
    455,278x = 430,069,705,209
  5. Step 5: Solve for x
    x = 430,069,705,209/455,278
  6. Step 6: Final answer
    x = 944,630.98

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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.