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Finding the Third Proportional to 297,520 and 654,008

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Solution

The third proportional to 297,520 and 654,008 is: 1,437,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,520 : 654,008 = 654,008 : x
  2. Step 2: Convert to fraction form
    297,520/654,008 = 654,008/x
  3. Step 3: Cross multiply
    297,520x = 654,008 × 654,008
  4. Step 4: Simplify right side
    297,520x = 427,726,464,064
  5. Step 5: Solve for x
    x = 427,726,464,064/297,520
  6. Step 6: Final answer
    x = 1,437,639.37

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.