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Finding the Third Proportional to 235,218.75 and 353,358

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Solution

The third proportional to 235,218.75 and 353,358 is: 530,833.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,218.75 : 353,358 = 353,358 : x
  2. Step 2: Convert to fraction form
    235,218.75/353,358 = 353,358/x
  3. Step 3: Cross multiply
    235,218.75x = 353,358 × 353,358
  4. Step 4: Simplify right side
    235,218.75x = 124,861,876,164
  5. Step 5: Solve for x
    x = 124,861,876,164/235,218.75
  6. Step 6: Final answer
    x = 530,833.01

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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.