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Finding the Third Proportional to 13,720,141 and 18,813,353

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Solution

The third proportional to 13,720,141 and 18,813,353 is: 25,797,275.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720,141 : 18,813,353 = 18,813,353 : x
  2. Step 2: Convert to fraction form
    13,720,141/18,813,353 = 18,813,353/x
  3. Step 3: Cross multiply
    13,720,141x = 18,813,353 × 18,813,353
  4. Step 4: Simplify right side
    13,720,141x = 353,942,251,102,609
  5. Step 5: Solve for x
    x = 353,942,251,102,609/13,720,141
  6. Step 6: Final answer
    x = 25,797,275.05

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.