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Finding the Third Proportional to 303,564 and 660,636

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Solution

The third proportional to 303,564 and 660,636 is: 1,437,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,564 : 660,636 = 660,636 : x
  2. Step 2: Convert to fraction form
    303,564/660,636 = 660,636/x
  3. Step 3: Cross multiply
    303,564x = 660,636 × 660,636
  4. Step 4: Simplify right side
    303,564x = 436,439,924,496
  5. Step 5: Solve for x
    x = 436,439,924,496/303,564
  6. Step 6: Final answer
    x = 1,437,719.64

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.