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Finding the Third Proportional to 328,293 and 705,624.75

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Solution

The third proportional to 328,293 and 705,624.75 is: 1,516,652.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,293 : 705,624.75 = 705,624.75 : x
  2. Step 2: Convert to fraction form
    328,293/705,624.75 = 705,624.75/x
  3. Step 3: Cross multiply
    328,293x = 705,624.75 × 705,624.75
  4. Step 4: Simplify right side
    328,293x = 497,906,287,812.56
  5. Step 5: Solve for x
    x = 497,906,287,812.56/328,293
  6. Step 6: Final answer
    x = 1,516,652.16

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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.