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Finding the Third Proportional to 67,926,410 and 149,197,156

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Solution

The third proportional to 67,926,410 and 149,197,156 is: 327,704,516.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,926,410 : 149,197,156 = 149,197,156 : x
  2. Step 2: Convert to fraction form
    67,926,410/149,197,156 = 149,197,156/x
  3. Step 3: Cross multiply
    67,926,410x = 149,197,156 × 149,197,156
  4. Step 4: Simplify right side
    67,926,410x = 22,259,791,358,488,336
  5. Step 5: Solve for x
    x = 22,259,791,358,488,336/67,926,410
  6. Step 6: Final answer
    x = 327,704,516.67

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.