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Finding the Third Proportional to 5,929,078.50 and 12,942,423

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Solution

The third proportional to 5,929,078.50 and 12,942,423 is: 28,251,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929,078.50 : 12,942,423 = 12,942,423 : x
  2. Step 2: Convert to fraction form
    5,929,078.50/12,942,423 = 12,942,423/x
  3. Step 3: Cross multiply
    5,929,078.50x = 12,942,423 × 12,942,423
  4. Step 4: Simplify right side
    5,929,078.50x = 167,506,313,110,929
  5. Step 5: Solve for x
    x = 167,506,313,110,929/5,929,078.50
  6. Step 6: Final answer
    x = 28,251,660.54

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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.