Home / 21,163,137.75-30,928,110.75

Finding the Third Proportional to 21,163,137.75 and 30,928,110.75

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Solution

The third proportional to 21,163,137.75 and 30,928,110.75 is: 45,198,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,163,137.75 : 30,928,110.75 = 30,928,110.75 : x
  2. Step 2: Convert to fraction form
    21,163,137.75/30,928,110.75 = 30,928,110.75/x
  3. Step 3: Cross multiply
    21,163,137.75x = 30,928,110.75 × 30,928,110.75
  4. Step 4: Simplify right side
    21,163,137.75x = 956,548,034,564,265.50
  5. Step 5: Solve for x
    x = 956,548,034,564,265.50/21,163,137.75
  6. Step 6: Final answer
    x = 45,198,781.29

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.