Home / 21,692,642.88-28,789,351.63

Finding the Third Proportional to 21,692,642.88 and 28,789,351.63

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Solution

The third proportional to 21,692,642.88 and 28,789,351.63 is: 38,207,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692,642.88 : 28,789,351.63 = 28,789,351.63 : x
  2. Step 2: Convert to fraction form
    21,692,642.88/28,789,351.63 = 28,789,351.63/x
  3. Step 3: Cross multiply
    21,692,642.88x = 28,789,351.63 × 28,789,351.63
  4. Step 4: Simplify right side
    21,692,642.88x = 828,826,766,987,890.12
  5. Step 5: Solve for x
    x = 828,826,766,987,890.12/21,692,642.88
  6. Step 6: Final answer
    x = 38,207,735.76

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.