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Finding the Third Proportional to 297,048 and 625,200

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Solution

The third proportional to 297,048 and 625,200 is: 1,315,864.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,048 : 625,200 = 625,200 : x
  2. Step 2: Convert to fraction form
    297,048/625,200 = 625,200/x
  3. Step 3: Cross multiply
    297,048x = 625,200 × 625,200
  4. Step 4: Simplify right side
    297,048x = 390,875,040,000
  5. Step 5: Solve for x
    x = 390,875,040,000/297,048
  6. Step 6: Final answer
    x = 1,315,864.91

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.