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Finding the Third Proportional to 188,087 and 255,157.50

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Solution

The third proportional to 188,087 and 255,157.50 is: 346,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,087 : 255,157.50 = 255,157.50 : x
  2. Step 2: Convert to fraction form
    188,087/255,157.50 = 255,157.50/x
  3. Step 3: Cross multiply
    188,087x = 255,157.50 × 255,157.50
  4. Step 4: Simplify right side
    188,087x = 65,105,349,806.25
  5. Step 5: Solve for x
    x = 65,105,349,806.25/188,087
  6. Step 6: Final answer
    x = 346,144.87

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.