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Finding the Third Proportional to 7,439,238 and 11,490,315

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Solution

The third proportional to 7,439,238 and 11,490,315 is: 17,747,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439,238 : 11,490,315 = 11,490,315 : x
  2. Step 2: Convert to fraction form
    7,439,238/11,490,315 = 11,490,315/x
  3. Step 3: Cross multiply
    7,439,238x = 11,490,315 × 11,490,315
  4. Step 4: Simplify right side
    7,439,238x = 132,027,338,799,225
  5. Step 5: Solve for x
    x = 132,027,338,799,225/7,439,238
  6. Step 6: Final answer
    x = 17,747,427.73

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.