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Finding the Third Proportional to 445,078 and 683,169

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Solution

The third proportional to 445,078 and 683,169 is: 1,048,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,078 : 683,169 = 683,169 : x
  2. Step 2: Convert to fraction form
    445,078/683,169 = 683,169/x
  3. Step 3: Cross multiply
    445,078x = 683,169 × 683,169
  4. Step 4: Simplify right side
    445,078x = 466,719,882,561
  5. Step 5: Solve for x
    x = 466,719,882,561/445,078
  6. Step 6: Final answer
    x = 1,048,624.92

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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.