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Finding the Third Proportional to 336,672 and 720,636

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Solution

The third proportional to 336,672 and 720,636 is: 1,542,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,672 : 720,636 = 720,636 : x
  2. Step 2: Convert to fraction form
    336,672/720,636 = 720,636/x
  3. Step 3: Cross multiply
    336,672x = 720,636 × 720,636
  4. Step 4: Simplify right side
    336,672x = 519,316,244,496
  5. Step 5: Solve for x
    x = 519,316,244,496/336,672
  6. Step 6: Final answer
    x = 1,542,499.06

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.