Home / 1,205,173.69-1,865,271.80

Finding the Third Proportional to 1,205,173.69 and 1,865,271.80

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Solution

The third proportional to 1,205,173.69 and 1,865,271.80 is: 2,886,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,173.69 : 1,865,271.80 = 1,865,271.80 : x
  2. Step 2: Convert to fraction form
    1,205,173.69/1,865,271.80 = 1,865,271.80/x
  3. Step 3: Cross multiply
    1,205,173.69x = 1,865,271.80 × 1,865,271.80
  4. Step 4: Simplify right side
    1,205,173.69x = 3,479,238,876,217.29
  5. Step 5: Solve for x
    x = 3,479,238,876,217.29/1,205,173.69
  6. Step 6: Final answer
    x = 2,886,919.05

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.