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Finding the Third Proportional to 13,969,107 and 20,867,638.50

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Solution

The third proportional to 13,969,107 and 20,867,638.50 is: 31,172,954.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969,107 : 20,867,638.50 = 20,867,638.50 : x
  2. Step 2: Convert to fraction form
    13,969,107/20,867,638.50 = 20,867,638.50/x
  3. Step 3: Cross multiply
    13,969,107x = 20,867,638.50 × 20,867,638.50
  4. Step 4: Simplify right side
    13,969,107x = 435,458,336,566,682.25
  5. Step 5: Solve for x
    x = 435,458,336,566,682.25/13,969,107
  6. Step 6: Final answer
    x = 31,172,954.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.