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Finding the Third Proportional to 336,847.50 and 720,369

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Solution

The third proportional to 336,847.50 and 720,369 is: 1,540,553.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,847.50 : 720,369 = 720,369 : x
  2. Step 2: Convert to fraction form
    336,847.50/720,369 = 720,369/x
  3. Step 3: Cross multiply
    336,847.50x = 720,369 × 720,369
  4. Step 4: Simplify right side
    336,847.50x = 518,931,496,161
  5. Step 5: Solve for x
    x = 518,931,496,161/336,847.50
  6. Step 6: Final answer
    x = 1,540,553.21

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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.