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Finding the Third Proportional to 209,590 and 296,281

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Solution

The third proportional to 209,590 and 296,281 is: 418,829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,590 : 296,281 = 296,281 : x
  2. Step 2: Convert to fraction form
    209,590/296,281 = 296,281/x
  3. Step 3: Cross multiply
    209,590x = 296,281 × 296,281
  4. Step 4: Simplify right side
    209,590x = 87,782,430,961
  5. Step 5: Solve for x
    x = 87,782,430,961/209,590
  6. Step 6: Final answer
    x = 418,829.29

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.