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Finding the Third Proportional to 442,325.81 and 667,143.84

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Solution

The third proportional to 442,325.81 and 667,143.84 is: 1,006,228.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,325.81 : 667,143.84 = 667,143.84 : x
  2. Step 2: Convert to fraction form
    442,325.81/667,143.84 = 667,143.84/x
  3. Step 3: Cross multiply
    442,325.81x = 667,143.84 × 667,143.84
  4. Step 4: Simplify right side
    442,325.81x = 445,080,908,253.52
  5. Step 5: Solve for x
    x = 445,080,908,253.52/442,325.81
  6. Step 6: Final answer
    x = 1,006,228.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.