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Finding the Third Proportional to 517,572 and 1,126,269

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Solution

The third proportional to 517,572 and 1,126,269 is: 2,450,831.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,572 : 1,126,269 = 1,126,269 : x
  2. Step 2: Convert to fraction form
    517,572/1,126,269 = 1,126,269/x
  3. Step 3: Cross multiply
    517,572x = 1,126,269 × 1,126,269
  4. Step 4: Simplify right side
    517,572x = 1,268,481,860,361
  5. Step 5: Solve for x
    x = 1,268,481,860,361/517,572
  6. Step 6: Final answer
    x = 2,450,831.69

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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.