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Finding the Third Proportional to 328,285.50 and 705,612.38

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Solution

The third proportional to 328,285.50 and 705,612.38 is: 1,516,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,285.50 : 705,612.38 = 705,612.38 : x
  2. Step 2: Convert to fraction form
    328,285.50/705,612.38 = 705,612.38/x
  3. Step 3: Cross multiply
    328,285.50x = 705,612.38 × 705,612.38
  4. Step 4: Simplify right side
    328,285.50x = 497,888,823,753.14
  5. Step 5: Solve for x
    x = 497,888,823,753.14/328,285.50
  6. Step 6: Final answer
    x = 1,516,633.61

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.