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Finding the Third Proportional to 618,262 and 1,345,394

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Solution

The third proportional to 618,262 and 1,345,394 is: 2,927,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,262 : 1,345,394 = 1,345,394 : x
  2. Step 2: Convert to fraction form
    618,262/1,345,394 = 1,345,394/x
  3. Step 3: Cross multiply
    618,262x = 1,345,394 × 1,345,394
  4. Step 4: Simplify right side
    618,262x = 1,810,085,015,236
  5. Step 5: Solve for x
    x = 1,810,085,015,236/618,262
  6. Step 6: Final answer
    x = 2,927,698.96

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.