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Finding the Third Proportional to 907,015 and 1,311,132

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Solution

The third proportional to 907,015 and 1,311,132 is: 1,895,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,015 : 1,311,132 = 1,311,132 : x
  2. Step 2: Convert to fraction form
    907,015/1,311,132 = 1,311,132/x
  3. Step 3: Cross multiply
    907,015x = 1,311,132 × 1,311,132
  4. Step 4: Simplify right side
    907,015x = 1,719,067,121,424
  5. Step 5: Solve for x
    x = 1,719,067,121,424/907,015
  6. Step 6: Final answer
    x = 1,895,301.76

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.