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Finding the Third Proportional to 12,363,608 and 18,912,562

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Solution

The third proportional to 12,363,608 and 18,912,562 is: 28,930,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363,608 : 18,912,562 = 18,912,562 : x
  2. Step 2: Convert to fraction form
    12,363,608/18,912,562 = 18,912,562/x
  3. Step 3: Cross multiply
    12,363,608x = 18,912,562 × 18,912,562
  4. Step 4: Simplify right side
    12,363,608x = 357,685,001,403,844
  5. Step 5: Solve for x
    x = 357,685,001,403,844/12,363,608
  6. Step 6: Final answer
    x = 28,930,470.90

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.