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Finding the Third Proportional to 7,838,808 and 11,991,480

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Solution

The third proportional to 7,838,808 and 11,991,480 is: 18,344,063.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838,808 : 11,991,480 = 11,991,480 : x
  2. Step 2: Convert to fraction form
    7,838,808/11,991,480 = 11,991,480/x
  3. Step 3: Cross multiply
    7,838,808x = 11,991,480 × 11,991,480
  4. Step 4: Simplify right side
    7,838,808x = 143,795,592,590,400
  5. Step 5: Solve for x
    x = 143,795,592,590,400/7,838,808
  6. Step 6: Final answer
    x = 18,344,063.61

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.