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Finding the Third Proportional to 554,914 and 830,851

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Solution

The third proportional to 554,914 and 830,851 is: 1,244,000.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,914 : 830,851 = 830,851 : x
  2. Step 2: Convert to fraction form
    554,914/830,851 = 830,851/x
  3. Step 3: Cross multiply
    554,914x = 830,851 × 830,851
  4. Step 4: Simplify right side
    554,914x = 690,313,384,201
  5. Step 5: Solve for x
    x = 690,313,384,201/554,914
  6. Step 6: Final answer
    x = 1,244,000.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.