Home / 212,667,774.75-318,646,882.13

Finding the Third Proportional to 212,667,774.75 and 318,646,882.13

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Solution

The third proportional to 212,667,774.75 and 318,646,882.13 is: 477,438,745.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,667,774.75 : 318,646,882.13 = 318,646,882.13 : x
  2. Step 2: Convert to fraction form
    212,667,774.75/318,646,882.13 = 318,646,882.13/x
  3. Step 3: Cross multiply
    212,667,774.75x = 318,646,882.13 × 318,646,882.13
  4. Step 4: Simplify right side
    212,667,774.75x = 101,535,835,487,983,648
  5. Step 5: Solve for x
    x = 101,535,835,487,983,648/212,667,774.75
  6. Step 6: Final answer
    x = 477,438,745.04

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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.