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Finding the Third Proportional to 295,984.50 and 641,865

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Solution

The third proportional to 295,984.50 and 641,865 is: 1,391,933.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,984.50 : 641,865 = 641,865 : x
  2. Step 2: Convert to fraction form
    295,984.50/641,865 = 641,865/x
  3. Step 3: Cross multiply
    295,984.50x = 641,865 × 641,865
  4. Step 4: Simplify right side
    295,984.50x = 411,990,678,225
  5. Step 5: Solve for x
    x = 411,990,678,225/295,984.50
  6. Step 6: Final answer
    x = 1,391,933.29

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.