Home / 21,229,236.75-31,810,518.75

Finding the Third Proportional to 21,229,236.75 and 31,810,518.75

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Solution

The third proportional to 21,229,236.75 and 31,810,518.75 is: 47,665,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,229,236.75 : 31,810,518.75 = 31,810,518.75 : x
  2. Step 2: Convert to fraction form
    21,229,236.75/31,810,518.75 = 31,810,518.75/x
  3. Step 3: Cross multiply
    21,229,236.75x = 31,810,518.75 × 31,810,518.75
  4. Step 4: Simplify right side
    21,229,236.75x = 1,011,909,103,144,101.50
  5. Step 5: Solve for x
    x = 1,011,909,103,144,101.50/21,229,236.75
  6. Step 6: Final answer
    x = 47,665,825.91

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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.