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Finding the Third Proportional to 336,771.50 and 720,239

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Solution

The third proportional to 336,771.50 and 720,239 is: 1,540,344.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,771.50 : 720,239 = 720,239 : x
  2. Step 2: Convert to fraction form
    336,771.50/720,239 = 720,239/x
  3. Step 3: Cross multiply
    336,771.50x = 720,239 × 720,239
  4. Step 4: Simplify right side
    336,771.50x = 518,744,217,121
  5. Step 5: Solve for x
    x = 518,744,217,121/336,771.50
  6. Step 6: Final answer
    x = 1,540,344.77

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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.