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Finding the Third Proportional to 20,389,401 and 30,880,234.97

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Solution

The third proportional to 20,389,401 and 30,880,234.97 is: 46,768,853.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,389,401 : 30,880,234.97 = 30,880,234.97 : x
  2. Step 2: Convert to fraction form
    20,389,401/30,880,234.97 = 30,880,234.97/x
  3. Step 3: Cross multiply
    20,389,401x = 30,880,234.97 × 30,880,234.97
  4. Step 4: Simplify right side
    20,389,401x = 953,588,911,725,210.38
  5. Step 5: Solve for x
    x = 953,588,911,725,210.38/20,389,401
  6. Step 6: Final answer
    x = 46,768,853.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.