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Finding the Third Proportional to 291,272 and 452,454

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Solution

The third proportional to 291,272 and 452,454 is: 702,829.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,272 : 452,454 = 452,454 : x
  2. Step 2: Convert to fraction form
    291,272/452,454 = 452,454/x
  3. Step 3: Cross multiply
    291,272x = 452,454 × 452,454
  4. Step 4: Simplify right side
    291,272x = 204,714,622,116
  5. Step 5: Solve for x
    x = 204,714,622,116/291,272
  6. Step 6: Final answer
    x = 702,829.73

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.