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Finding the Third Proportional to 200,454.75 and 299,700

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Solution

The third proportional to 200,454.75 and 299,700 is: 448,081.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,454.75 : 299,700 = 299,700 : x
  2. Step 2: Convert to fraction form
    200,454.75/299,700 = 299,700/x
  3. Step 3: Cross multiply
    200,454.75x = 299,700 × 299,700
  4. Step 4: Simplify right side
    200,454.75x = 89,820,090,000
  5. Step 5: Solve for x
    x = 89,820,090,000/200,454.75
  6. Step 6: Final answer
    x = 448,081.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.