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Finding the Third Proportional to 630,342 and 1,313,868

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Solution

The third proportional to 630,342 and 1,313,868 is: 2,738,591.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,342 : 1,313,868 = 1,313,868 : x
  2. Step 2: Convert to fraction form
    630,342/1,313,868 = 1,313,868/x
  3. Step 3: Cross multiply
    630,342x = 1,313,868 × 1,313,868
  4. Step 4: Simplify right side
    630,342x = 1,726,249,121,424
  5. Step 5: Solve for x
    x = 1,726,249,121,424/630,342
  6. Step 6: Final answer
    x = 2,738,591.31

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.