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Finding the Third Proportional to 513,266 and 1,116,836

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Solution

The third proportional to 513,266 and 1,116,836 is: 2,430,168.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,266 : 1,116,836 = 1,116,836 : x
  2. Step 2: Convert to fraction form
    513,266/1,116,836 = 1,116,836/x
  3. Step 3: Cross multiply
    513,266x = 1,116,836 × 1,116,836
  4. Step 4: Simplify right side
    513,266x = 1,247,322,650,896
  5. Step 5: Solve for x
    x = 1,247,322,650,896/513,266
  6. Step 6: Final answer
    x = 2,430,168.08

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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.