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Finding the Third Proportional to 284,402 and 622,370

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Solution

The third proportional to 284,402 and 622,370 is: 1,361,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,402 : 622,370 = 622,370 : x
  2. Step 2: Convert to fraction form
    284,402/622,370 = 622,370/x
  3. Step 3: Cross multiply
    284,402x = 622,370 × 622,370
  4. Step 4: Simplify right side
    284,402x = 387,344,416,900
  5. Step 5: Solve for x
    x = 387,344,416,900/284,402
  6. Step 6: Final answer
    x = 1,361,960.95

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.