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Finding the Third Proportional to 15,213,711 and 33,828,990

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Solution

The third proportional to 15,213,711 and 33,828,990 is: 75,221,657.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213,711 : 33,828,990 = 33,828,990 : x
  2. Step 2: Convert to fraction form
    15,213,711/33,828,990 = 33,828,990/x
  3. Step 3: Cross multiply
    15,213,711x = 33,828,990 × 33,828,990
  4. Step 4: Simplify right side
    15,213,711x = 1,144,400,564,420,100
  5. Step 5: Solve for x
    x = 1,144,400,564,420,100/15,213,711
  6. Step 6: Final answer
    x = 75,221,657.91

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.