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Finding the Third Proportional to 30,449,081 and 71,050,310

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Solution

The third proportional to 30,449,081 and 71,050,310 is: 165,789,783.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,449,081 : 71,050,310 = 71,050,310 : x
  2. Step 2: Convert to fraction form
    30,449,081/71,050,310 = 71,050,310/x
  3. Step 3: Cross multiply
    30,449,081x = 71,050,310 × 71,050,310
  4. Step 4: Simplify right side
    30,449,081x = 5,048,146,551,096,100
  5. Step 5: Solve for x
    x = 5,048,146,551,096,100/30,449,081
  6. Step 6: Final answer
    x = 165,789,783.64

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.