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Finding the Third Proportional to 1,213 and 2,434

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Solution

The third proportional to 1,213 and 2,434 is: 4,884.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213 : 2,434 = 2,434 : x
  2. Step 2: Convert to fraction form
    1,213/2,434 = 2,434/x
  3. Step 3: Cross multiply
    1,213x = 2,434 × 2,434
  4. Step 4: Simplify right side
    1,213x = 5,924,356
  5. Step 5: Solve for x
    x = 5,924,356/1,213
  6. Step 6: Final answer
    x = 4,884.05

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Why These Related Problems?

These problems maintain the same ratio (2.01) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.