Home / 69,115,719.75-148,488,399.75

Finding the Third Proportional to 69,115,719.75 and 148,488,399.75

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Solution

The third proportional to 69,115,719.75 and 148,488,399.75 is: 319,012,880.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,115,719.75 : 148,488,399.75 = 148,488,399.75 : x
  2. Step 2: Convert to fraction form
    69,115,719.75/148,488,399.75 = 148,488,399.75/x
  3. Step 3: Cross multiply
    69,115,719.75x = 148,488,399.75 × 148,488,399.75
  4. Step 4: Simplify right side
    69,115,719.75x = 22,048,804,860,315,800
  5. Step 5: Solve for x
    x = 22,048,804,860,315,800/69,115,719.75
  6. Step 6: Final answer
    x = 319,012,880.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.