Home / 1,247,015.25-2,688,619.50

Finding the Third Proportional to 1,247,015.25 and 2,688,619.50

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Solution

The third proportional to 1,247,015.25 and 2,688,619.50 is: 5,796,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,015.25 : 2,688,619.50 = 2,688,619.50 : x
  2. Step 2: Convert to fraction form
    1,247,015.25/2,688,619.50 = 2,688,619.50/x
  3. Step 3: Cross multiply
    1,247,015.25x = 2,688,619.50 × 2,688,619.50
  4. Step 4: Simplify right side
    1,247,015.25x = 7,228,674,815,780.25
  5. Step 5: Solve for x
    x = 7,228,674,815,780.25/1,247,015.25
  6. Step 6: Final answer
    x = 5,796,781.41

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.