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Finding the Third Proportional to 255,679.03 and 556,123.22

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Solution

The third proportional to 255,679.03 and 556,123.22 is: 1,209,614.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,679.03 : 556,123.22 = 556,123.22 : x
  2. Step 2: Convert to fraction form
    255,679.03/556,123.22 = 556,123.22/x
  3. Step 3: Cross multiply
    255,679.03x = 556,123.22 × 556,123.22
  4. Step 4: Simplify right side
    255,679.03x = 309,273,034,432.86
  5. Step 5: Solve for x
    x = 309,273,034,432.86/255,679.03
  6. Step 6: Final answer
    x = 1,209,614.39

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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.