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Finding the Third Proportional to 255,165 and 556,950

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Solution

The third proportional to 255,165 and 556,950 is: 1,215,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,165 : 556,950 = 556,950 : x
  2. Step 2: Convert to fraction form
    255,165/556,950 = 556,950/x
  3. Step 3: Cross multiply
    255,165x = 556,950 × 556,950
  4. Step 4: Simplify right side
    255,165x = 310,193,302,500
  5. Step 5: Solve for x
    x = 310,193,302,500/255,165
  6. Step 6: Final answer
    x = 1,215,657.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.