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Finding the Third Proportional to 18,809,572 and 28,141,422

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Solution

The third proportional to 18,809,572 and 28,141,422 is: 42,103,011.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,809,572 : 28,141,422 = 28,141,422 : x
  2. Step 2: Convert to fraction form
    18,809,572/28,141,422 = 28,141,422/x
  3. Step 3: Cross multiply
    18,809,572x = 28,141,422 × 28,141,422
  4. Step 4: Simplify right side
    18,809,572x = 791,939,632,182,084
  5. Step 5: Solve for x
    x = 791,939,632,182,084/18,809,572
  6. Step 6: Final answer
    x = 42,103,011.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.