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Finding the Third Proportional to 733,747 and 978,421

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Solution

The third proportional to 733,747 and 978,421 is: 1,304,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,747 : 978,421 = 978,421 : x
  2. Step 2: Convert to fraction form
    733,747/978,421 = 978,421/x
  3. Step 3: Cross multiply
    733,747x = 978,421 × 978,421
  4. Step 4: Simplify right side
    733,747x = 957,307,653,241
  5. Step 5: Solve for x
    x = 957,307,653,241/733,747
  6. Step 6: Final answer
    x = 1,304,683.57

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.