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Finding the Third Proportional to 255,479.25 and 537,415.50

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Solution

The third proportional to 255,479.25 and 537,415.50 is: 1,130,484.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,479.25 : 537,415.50 = 537,415.50 : x
  2. Step 2: Convert to fraction form
    255,479.25/537,415.50 = 537,415.50/x
  3. Step 3: Cross multiply
    255,479.25x = 537,415.50 × 537,415.50
  4. Step 4: Simplify right side
    255,479.25x = 288,815,419,640.25
  5. Step 5: Solve for x
    x = 288,815,419,640.25/255,479.25
  6. Step 6: Final answer
    x = 1,130,484.84

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.