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Finding the Third Proportional to 90,056,620 and 212,378,530

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Solution

The third proportional to 90,056,620 and 212,378,530 is: 500,847,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,056,620 : 212,378,530 = 212,378,530 : x
  2. Step 2: Convert to fraction form
    90,056,620/212,378,530 = 212,378,530/x
  3. Step 3: Cross multiply
    90,056,620x = 212,378,530 × 212,378,530
  4. Step 4: Simplify right side
    90,056,620x = 45,104,640,004,960,896
  5. Step 5: Solve for x
    x = 45,104,640,004,960,896/90,056,620
  6. Step 6: Final answer
    x = 500,847,577.95

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.