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Finding the Third Proportional to 336,856.50 and 720,387

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Solution

The third proportional to 336,856.50 and 720,387 is: 1,540,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,856.50 : 720,387 = 720,387 : x
  2. Step 2: Convert to fraction form
    336,856.50/720,387 = 720,387/x
  3. Step 3: Cross multiply
    336,856.50x = 720,387 × 720,387
  4. Step 4: Simplify right side
    336,856.50x = 518,957,429,769
  5. Step 5: Solve for x
    x = 518,957,429,769/336,856.50
  6. Step 6: Final answer
    x = 1,540,589.03

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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.