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Finding the Third Proportional to 3,210,351 and 6,686,422

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Solution

The third proportional to 3,210,351 and 6,686,422 is: 13,926,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,351 : 6,686,422 = 6,686,422 : x
  2. Step 2: Convert to fraction form
    3,210,351/6,686,422 = 6,686,422/x
  3. Step 3: Cross multiply
    3,210,351x = 6,686,422 × 6,686,422
  4. Step 4: Simplify right side
    3,210,351x = 44,708,239,162,084
  5. Step 5: Solve for x
    x = 44,708,239,162,084/3,210,351
  6. Step 6: Final answer
    x = 13,926,277.58

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.