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Finding the Third Proportional to 255,336.75 and 384,106.50

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Solution

The third proportional to 255,336.75 and 384,106.50 is: 577,816.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,336.75 : 384,106.50 = 384,106.50 : x
  2. Step 2: Convert to fraction form
    255,336.75/384,106.50 = 384,106.50/x
  3. Step 3: Cross multiply
    255,336.75x = 384,106.50 × 384,106.50
  4. Step 4: Simplify right side
    255,336.75x = 147,537,803,342.25
  5. Step 5: Solve for x
    x = 147,537,803,342.25/255,336.75
  6. Step 6: Final answer
    x = 577,816.56

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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.