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Finding the Third Proportional to 6,817,289 and 15,147,921

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Solution

The third proportional to 6,817,289 and 15,147,921 is: 33,658,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,817,289 : 15,147,921 = 15,147,921 : x
  2. Step 2: Convert to fraction form
    6,817,289/15,147,921 = 15,147,921/x
  3. Step 3: Cross multiply
    6,817,289x = 15,147,921 × 15,147,921
  4. Step 4: Simplify right side
    6,817,289x = 229,459,510,622,241
  5. Step 5: Solve for x
    x = 229,459,510,622,241/6,817,289
  6. Step 6: Final answer
    x = 33,658,469.02

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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.