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Finding the Third Proportional to 7,438,255 and 11,493,989

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Solution

The third proportional to 7,438,255 and 11,493,989 is: 17,761,125.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,255 : 11,493,989 = 11,493,989 : x
  2. Step 2: Convert to fraction form
    7,438,255/11,493,989 = 11,493,989/x
  3. Step 3: Cross multiply
    7,438,255x = 11,493,989 × 11,493,989
  4. Step 4: Simplify right side
    7,438,255x = 132,111,783,132,121
  5. Step 5: Solve for x
    x = 132,111,783,132,121/7,438,255
  6. Step 6: Final answer
    x = 17,761,125.85

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.