Home / 21,160,768.50-31,659,099.75

Finding the Third Proportional to 21,160,768.50 and 31,659,099.75

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Solution

The third proportional to 21,160,768.50 and 31,659,099.75 is: 47,365,888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,160,768.50 : 31,659,099.75 = 31,659,099.75 : x
  2. Step 2: Convert to fraction form
    21,160,768.50/31,659,099.75 = 31,659,099.75/x
  3. Step 3: Cross multiply
    21,160,768.50x = 31,659,099.75 × 31,659,099.75
  4. Step 4: Simplify right side
    21,160,768.50x = 1,002,298,596,980,450
  5. Step 5: Solve for x
    x = 1,002,298,596,980,450/21,160,768.50
  6. Step 6: Final answer
    x = 47,365,888.29

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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.