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Finding the Third Proportional to 600,243 and 915,609

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Solution

The third proportional to 600,243 and 915,609 is: 1,396,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,243 : 915,609 = 915,609 : x
  2. Step 2: Convert to fraction form
    600,243/915,609 = 915,609/x
  3. Step 3: Cross multiply
    600,243x = 915,609 × 915,609
  4. Step 4: Simplify right side
    600,243x = 838,339,840,881
  5. Step 5: Solve for x
    x = 838,339,840,881/600,243
  6. Step 6: Final answer
    x = 1,396,667.42

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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.