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Finding the Third Proportional to 571,812 and 838,614

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Solution

The third proportional to 571,812 and 838,614 is: 1,229,903.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,812 : 838,614 = 838,614 : x
  2. Step 2: Convert to fraction form
    571,812/838,614 = 838,614/x
  3. Step 3: Cross multiply
    571,812x = 838,614 × 838,614
  4. Step 4: Simplify right side
    571,812x = 703,273,440,996
  5. Step 5: Solve for x
    x = 703,273,440,996/571,812
  6. Step 6: Final answer
    x = 1,229,903.26

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.