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Finding the Third Proportional to 235,414.50 and 515,322

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Solution

The third proportional to 235,414.50 and 515,322 is: 1,128,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,414.50 : 515,322 = 515,322 : x
  2. Step 2: Convert to fraction form
    235,414.50/515,322 = 515,322/x
  3. Step 3: Cross multiply
    235,414.50x = 515,322 × 515,322
  4. Step 4: Simplify right side
    235,414.50x = 265,556,763,684
  5. Step 5: Solve for x
    x = 265,556,763,684/235,414.50
  6. Step 6: Final answer
    x = 1,128,039.11

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.