Home / 1,125,515.25-1,685,179.69

Finding the Third Proportional to 1,125,515.25 and 1,685,179.69

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Solution

The third proportional to 1,125,515.25 and 1,685,179.69 is: 2,523,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,515.25 : 1,685,179.69 = 1,685,179.69 : x
  2. Step 2: Convert to fraction form
    1,125,515.25/1,685,179.69 = 1,685,179.69/x
  3. Step 3: Cross multiply
    1,125,515.25x = 1,685,179.69 × 1,685,179.69
  4. Step 4: Simplify right side
    1,125,515.25x = 2,839,830,579,162.60
  5. Step 5: Solve for x
    x = 2,839,830,579,162.60/1,125,515.25
  6. Step 6: Final answer
    x = 2,523,138.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.