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Finding the Third Proportional to 548,266 and 860,263

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Solution

The third proportional to 548,266 and 860,263 is: 1,349,805.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,266 : 860,263 = 860,263 : x
  2. Step 2: Convert to fraction form
    548,266/860,263 = 860,263/x
  3. Step 3: Cross multiply
    548,266x = 860,263 × 860,263
  4. Step 4: Simplify right side
    548,266x = 740,052,429,169
  5. Step 5: Solve for x
    x = 740,052,429,169/548,266
  6. Step 6: Final answer
    x = 1,349,805.44

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.