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Finding the Third Proportional to 571,840 and 1,222,209

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Solution

The third proportional to 571,840 and 1,222,209 is: 2,612,260.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,840 : 1,222,209 = 1,222,209 : x
  2. Step 2: Convert to fraction form
    571,840/1,222,209 = 1,222,209/x
  3. Step 3: Cross multiply
    571,840x = 1,222,209 × 1,222,209
  4. Step 4: Simplify right side
    571,840x = 1,493,794,839,681
  5. Step 5: Solve for x
    x = 1,493,794,839,681/571,840
  6. Step 6: Final answer
    x = 2,612,260.14

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.