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Finding the Third Proportional to 13,969,138.50 and 20,867,679

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Solution

The third proportional to 13,969,138.50 and 20,867,679 is: 31,173,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969,138.50 : 20,867,679 = 20,867,679 : x
  2. Step 2: Convert to fraction form
    13,969,138.50/20,867,679 = 20,867,679/x
  3. Step 3: Cross multiply
    13,969,138.50x = 20,867,679 × 20,867,679
  4. Step 4: Simplify right side
    13,969,138.50x = 435,460,026,847,041
  5. Step 5: Solve for x
    x = 435,460,026,847,041/13,969,138.50
  6. Step 6: Final answer
    x = 31,173,005.18

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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.