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Finding the Third Proportional to 5,554,738 and 8,656,867

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Solution

The third proportional to 5,554,738 and 8,656,867 is: 13,491,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554,738 : 8,656,867 = 8,656,867 : x
  2. Step 2: Convert to fraction form
    5,554,738/8,656,867 = 8,656,867/x
  3. Step 3: Cross multiply
    5,554,738x = 8,656,867 × 8,656,867
  4. Step 4: Simplify right side
    5,554,738x = 74,941,346,255,689
  5. Step 5: Solve for x
    x = 74,941,346,255,689/5,554,738
  6. Step 6: Final answer
    x = 13,491,427.72

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.