Home / 31,145,971.50-67,084,339.50

Finding the Third Proportional to 31,145,971.50 and 67,084,339.50

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Solution

The third proportional to 31,145,971.50 and 67,084,339.50 is: 144,490,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,145,971.50 : 67,084,339.50 = 67,084,339.50 : x
  2. Step 2: Convert to fraction form
    31,145,971.50/67,084,339.50 = 67,084,339.50/x
  3. Step 3: Cross multiply
    31,145,971.50x = 67,084,339.50 × 67,084,339.50
  4. Step 4: Simplify right side
    31,145,971.50x = 4,500,308,606,151,260
  5. Step 5: Solve for x
    x = 4,500,308,606,151,260/31,145,971.50
  6. Step 6: Final answer
    x = 144,490,872.80

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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.