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Finding the Third Proportional to 20,135,808 and 30,205,824

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Solution

The third proportional to 20,135,808 and 30,205,824 is: 45,311,904.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,135,808 : 30,205,824 = 30,205,824 : x
  2. Step 2: Convert to fraction form
    20,135,808/30,205,824 = 30,205,824/x
  3. Step 3: Cross multiply
    20,135,808x = 30,205,824 × 30,205,824
  4. Step 4: Simplify right side
    20,135,808x = 912,391,803,518,976
  5. Step 5: Solve for x
    x = 912,391,803,518,976/20,135,808
  6. Step 6: Final answer
    x = 45,311,904.22

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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.