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Finding the Third Proportional to 295,826 and 646,948

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Solution

The third proportional to 295,826 and 646,948 is: 1,414,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,826 : 646,948 = 646,948 : x
  2. Step 2: Convert to fraction form
    295,826/646,948 = 646,948/x
  3. Step 3: Cross multiply
    295,826x = 646,948 × 646,948
  4. Step 4: Simplify right side
    295,826x = 418,541,714,704
  5. Step 5: Solve for x
    x = 418,541,714,704/295,826
  6. Step 6: Final answer
    x = 1,414,823.97

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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.