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Finding the Third Proportional to 2,678,778 and 6,322,320

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Solution

The third proportional to 2,678,778 and 6,322,320 is: 14,921,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,778 : 6,322,320 = 6,322,320 : x
  2. Step 2: Convert to fraction form
    2,678,778/6,322,320 = 6,322,320/x
  3. Step 3: Cross multiply
    2,678,778x = 6,322,320 × 6,322,320
  4. Step 4: Simplify right side
    2,678,778x = 39,971,730,182,400
  5. Step 5: Solve for x
    x = 39,971,730,182,400/2,678,778
  6. Step 6: Final answer
    x = 14,921,628.51

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.