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Finding the Third Proportional to 451,240 and 676,955

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Solution

The third proportional to 451,240 and 676,955 is: 1,015,575.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,240 : 676,955 = 676,955 : x
  2. Step 2: Convert to fraction form
    451,240/676,955 = 676,955/x
  3. Step 3: Cross multiply
    451,240x = 676,955 × 676,955
  4. Step 4: Simplify right side
    451,240x = 458,268,072,025
  5. Step 5: Solve for x
    x = 458,268,072,025/451,240
  6. Step 6: Final answer
    x = 1,015,575.02

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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.