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Finding the Third Proportional to 255,713.63 and 383,570.44

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Solution

The third proportional to 255,713.63 and 383,570.44 is: 575,355.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,713.63 : 383,570.44 = 383,570.44 : x
  2. Step 2: Convert to fraction form
    255,713.63/383,570.44 = 383,570.44/x
  3. Step 3: Cross multiply
    255,713.63x = 383,570.44 × 383,570.44
  4. Step 4: Simplify right side
    255,713.63x = 147,126,280,523.94
  5. Step 5: Solve for x
    x = 147,126,280,523.94/255,713.63
  6. Step 6: Final answer
    x = 575,355.66

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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.