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Finding the Third Proportional to 5,679,868 and 8,578,938

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Solution

The third proportional to 5,679,868 and 8,578,938 is: 12,957,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679,868 : 8,578,938 = 8,578,938 : x
  2. Step 2: Convert to fraction form
    5,679,868/8,578,938 = 8,578,938/x
  3. Step 3: Cross multiply
    5,679,868x = 8,578,938 × 8,578,938
  4. Step 4: Simplify right side
    5,679,868x = 73,598,177,207,844
  5. Step 5: Solve for x
    x = 73,598,177,207,844/5,679,868
  6. Step 6: Final answer
    x = 12,957,726.70

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.