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Finding the Third Proportional to 275,256.50 and 402,263

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Solution

The third proportional to 275,256.50 and 402,263 is: 587,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,256.50 : 402,263 = 402,263 : x
  2. Step 2: Convert to fraction form
    275,256.50/402,263 = 402,263/x
  3. Step 3: Cross multiply
    275,256.50x = 402,263 × 402,263
  4. Step 4: Simplify right side
    275,256.50x = 161,815,521,169
  5. Step 5: Solve for x
    x = 161,815,521,169/275,256.50
  6. Step 6: Final answer
    x = 587,871.75

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.