Home / 31,145,235.75-68,152,267.69

Finding the Third Proportional to 31,145,235.75 and 68,152,267.69

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Solution

The third proportional to 31,145,235.75 and 68,152,267.69 is: 149,131,367.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,145,235.75 : 68,152,267.69 = 68,152,267.69 : x
  2. Step 2: Convert to fraction form
    31,145,235.75/68,152,267.69 = 68,152,267.69/x
  3. Step 3: Cross multiply
    31,145,235.75x = 68,152,267.69 × 68,152,267.69
  4. Step 4: Simplify right side
    31,145,235.75x = 4,644,731,590,948,657
  5. Step 5: Solve for x
    x = 4,644,731,590,948,657/31,145,235.75
  6. Step 6: Final answer
    x = 149,131,367.26

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.