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Finding the Third Proportional to 5,472,234 and 12,666,891

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Solution

The third proportional to 5,472,234 and 12,666,891 is: 29,320,772.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472,234 : 12,666,891 = 12,666,891 : x
  2. Step 2: Convert to fraction form
    5,472,234/12,666,891 = 12,666,891/x
  3. Step 3: Cross multiply
    5,472,234x = 12,666,891 × 12,666,891
  4. Step 4: Simplify right side
    5,472,234x = 160,450,127,605,881
  5. Step 5: Solve for x
    x = 160,450,127,605,881/5,472,234
  6. Step 6: Final answer
    x = 29,320,772.39

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.