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Finding the Third Proportional to 4,035,215 and 8,707,888

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Solution

The third proportional to 4,035,215 and 8,707,888 is: 18,791,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,035,215 : 8,707,888 = 8,707,888 : x
  2. Step 2: Convert to fraction form
    4,035,215/8,707,888 = 8,707,888/x
  3. Step 3: Cross multiply
    4,035,215x = 8,707,888 × 8,707,888
  4. Step 4: Simplify right side
    4,035,215x = 75,827,313,420,544
  5. Step 5: Solve for x
    x = 75,827,313,420,544/4,035,215
  6. Step 6: Final answer
    x = 18,791,393.62

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.