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Finding the Third Proportional to 295,920 and 647,062

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Solution

The third proportional to 295,920 and 647,062 is: 1,414,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,920 : 647,062 = 647,062 : x
  2. Step 2: Convert to fraction form
    295,920/647,062 = 647,062/x
  3. Step 3: Cross multiply
    295,920x = 647,062 × 647,062
  4. Step 4: Simplify right side
    295,920x = 418,689,231,844
  5. Step 5: Solve for x
    x = 418,689,231,844/295,920
  6. Step 6: Final answer
    x = 1,414,873.05

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.