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Finding the Third Proportional to 8,876,320 and 19,119,920

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Solution

The third proportional to 8,876,320 and 19,119,920 is: 41,185,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876,320 : 19,119,920 = 19,119,920 : x
  2. Step 2: Convert to fraction form
    8,876,320/19,119,920 = 19,119,920/x
  3. Step 3: Cross multiply
    8,876,320x = 19,119,920 × 19,119,920
  4. Step 4: Simplify right side
    8,876,320x = 365,571,340,806,400
  5. Step 5: Solve for x
    x = 365,571,340,806,400/8,876,320
  6. Step 6: Final answer
    x = 41,185,011.45

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.