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Finding the Third Proportional to 906,961.75 and 1,311,080.50

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Solution

The third proportional to 906,961.75 and 1,311,080.50 is: 1,895,264.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,961.75 : 1,311,080.50 = 1,311,080.50 : x
  2. Step 2: Convert to fraction form
    906,961.75/1,311,080.50 = 1,311,080.50/x
  3. Step 3: Cross multiply
    906,961.75x = 1,311,080.50 × 1,311,080.50
  4. Step 4: Simplify right side
    906,961.75x = 1,718,932,077,480.25
  5. Step 5: Solve for x
    x = 1,718,932,077,480.25/906,961.75
  6. Step 6: Final answer
    x = 1,895,264.14

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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.