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Finding the Third Proportional to 4,039,302 and 8,720,612

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Solution

The third proportional to 4,039,302 and 8,720,612 is: 18,827,280.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039,302 : 8,720,612 = 8,720,612 : x
  2. Step 2: Convert to fraction form
    4,039,302/8,720,612 = 8,720,612/x
  3. Step 3: Cross multiply
    4,039,302x = 8,720,612 × 8,720,612
  4. Step 4: Simplify right side
    4,039,302x = 76,049,073,654,544
  5. Step 5: Solve for x
    x = 76,049,073,654,544/4,039,302
  6. Step 6: Final answer
    x = 18,827,280.96

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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.