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Finding the Third Proportional to 637,366 and 1,399,148

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Solution

The third proportional to 637,366 and 1,399,148 is: 3,071,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,366 : 1,399,148 = 1,399,148 : x
  2. Step 2: Convert to fraction form
    637,366/1,399,148 = 1,399,148/x
  3. Step 3: Cross multiply
    637,366x = 1,399,148 × 1,399,148
  4. Step 4: Simplify right side
    637,366x = 1,957,615,125,904
  5. Step 5: Solve for x
    x = 1,957,615,125,904/637,366
  6. Step 6: Final answer
    x = 3,071,414.42

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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.