Home / 213,299,986.50-318,552,243.75

Finding the Third Proportional to 213,299,986.50 and 318,552,243.75

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Solution

The third proportional to 213,299,986.50 and 318,552,243.75 is: 475,740,920.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,299,986.50 : 318,552,243.75 = 318,552,243.75 : x
  2. Step 2: Convert to fraction form
    213,299,986.50/318,552,243.75 = 318,552,243.75/x
  3. Step 3: Cross multiply
    213,299,986.50x = 318,552,243.75 × 318,552,243.75
  4. Step 4: Simplify right side
    213,299,986.50x = 101,475,531,998,159,408
  5. Step 5: Solve for x
    x = 101,475,531,998,159,408/213,299,986.50
  6. Step 6: Final answer
    x = 475,740,920.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.