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Finding the Third Proportional to 5,218,506 and 8,302,104

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Solution

The third proportional to 5,218,506 and 8,302,104 is: 13,207,789.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218,506 : 8,302,104 = 8,302,104 : x
  2. Step 2: Convert to fraction form
    5,218,506/8,302,104 = 8,302,104/x
  3. Step 3: Cross multiply
    5,218,506x = 8,302,104 × 8,302,104
  4. Step 4: Simplify right side
    5,218,506x = 68,924,930,826,816
  5. Step 5: Solve for x
    x = 68,924,930,826,816/5,218,506
  6. Step 6: Final answer
    x = 13,207,789.90

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.