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Finding the Third Proportional to 561,350.50 and 858,865

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Solution

The third proportional to 561,350.50 and 858,865 is: 1,314,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,350.50 : 858,865 = 858,865 : x
  2. Step 2: Convert to fraction form
    561,350.50/858,865 = 858,865/x
  3. Step 3: Cross multiply
    561,350.50x = 858,865 × 858,865
  4. Step 4: Simplify right side
    561,350.50x = 737,649,088,225
  5. Step 5: Solve for x
    x = 737,649,088,225/561,350.50
  6. Step 6: Final answer
    x = 1,314,061.51

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.