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Finding the Third Proportional to 907,911 and 1,368,670

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Solution

The third proportional to 907,911 and 1,368,670 is: 2,063,261.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,911 : 1,368,670 = 1,368,670 : x
  2. Step 2: Convert to fraction form
    907,911/1,368,670 = 1,368,670/x
  3. Step 3: Cross multiply
    907,911x = 1,368,670 × 1,368,670
  4. Step 4: Simplify right side
    907,911x = 1,873,257,568,900
  5. Step 5: Solve for x
    x = 1,873,257,568,900/907,911
  6. Step 6: Final answer
    x = 2,063,261.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.