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Finding the Third Proportional to 13,260,279 and 18,716,808

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Solution

The third proportional to 13,260,279 and 18,716,808 is: 26,418,667.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260,279 : 18,716,808 = 18,716,808 : x
  2. Step 2: Convert to fraction form
    13,260,279/18,716,808 = 18,716,808/x
  3. Step 3: Cross multiply
    13,260,279x = 18,716,808 × 18,716,808
  4. Step 4: Simplify right side
    13,260,279x = 350,318,901,708,864
  5. Step 5: Solve for x
    x = 350,318,901,708,864/13,260,279
  6. Step 6: Final answer
    x = 26,418,667.49

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.