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Finding the Third Proportional to 255,710.25 and 383,566.50

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Solution

The third proportional to 255,710.25 and 383,566.50 is: 575,351.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,710.25 : 383,566.50 = 383,566.50 : x
  2. Step 2: Convert to fraction form
    255,710.25/383,566.50 = 383,566.50/x
  3. Step 3: Cross multiply
    255,710.25x = 383,566.50 × 383,566.50
  4. Step 4: Simplify right side
    255,710.25x = 147,123,259,922.25
  5. Step 5: Solve for x
    x = 147,123,259,922.25/255,710.25
  6. Step 6: Final answer
    x = 575,351.44

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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.