Home / 1,781,205.19-3,882,105.35

Finding the Third Proportional to 1,781,205.19 and 3,882,105.35

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Solution

The third proportional to 1,781,205.19 and 3,882,105.35 is: 8,460,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,205.19 : 3,882,105.35 = 3,882,105.35 : x
  2. Step 2: Convert to fraction form
    1,781,205.19/3,882,105.35 = 3,882,105.35/x
  3. Step 3: Cross multiply
    1,781,205.19x = 3,882,105.35 × 3,882,105.35
  4. Step 4: Simplify right side
    1,781,205.19x = 15,070,741,960,630.20
  5. Step 5: Solve for x
    x = 15,070,741,960,630.20/1,781,205.19
  6. Step 6: Final answer
    x = 8,460,980.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.