Home / 2,112,446.25-3,178,774.13

Finding the Third Proportional to 2,112,446.25 and 3,178,774.13

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Solution

The third proportional to 2,112,446.25 and 3,178,774.13 is: 4,783,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,446.25 : 3,178,774.13 = 3,178,774.13 : x
  2. Step 2: Convert to fraction form
    2,112,446.25/3,178,774.13 = 3,178,774.13/x
  3. Step 3: Cross multiply
    2,112,446.25x = 3,178,774.13 × 3,178,774.13
  4. Step 4: Simplify right side
    2,112,446.25x = 10,104,604,937,769.52
  5. Step 5: Solve for x
    x = 10,104,604,937,769.52/2,112,446.25
  6. Step 6: Final answer
    x = 4,783,366.65

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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.