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Finding the Third Proportional to 136,401.75 and 296,415

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Solution

The third proportional to 136,401.75 and 296,415 is: 644,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,401.75 : 296,415 = 296,415 : x
  2. Step 2: Convert to fraction form
    136,401.75/296,415 = 296,415/x
  3. Step 3: Cross multiply
    136,401.75x = 296,415 × 296,415
  4. Step 4: Simplify right side
    136,401.75x = 87,861,852,225
  5. Step 5: Solve for x
    x = 87,861,852,225/136,401.75
  6. Step 6: Final answer
    x = 644,140.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.