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Finding the Third Proportional to 3,209,556 and 7,048,872

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Solution

The third proportional to 3,209,556 and 7,048,872 is: 15,480,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,556 : 7,048,872 = 7,048,872 : x
  2. Step 2: Convert to fraction form
    3,209,556/7,048,872 = 7,048,872/x
  3. Step 3: Cross multiply
    3,209,556x = 7,048,872 × 7,048,872
  4. Step 4: Simplify right side
    3,209,556x = 49,686,596,472,384
  5. Step 5: Solve for x
    x = 49,686,596,472,384/3,209,556
  6. Step 6: Final answer
    x = 15,480,831.76

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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.