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Finding the Third Proportional to 40,569,556 and 90,209,960

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Solution

The third proportional to 40,569,556 and 90,209,960 is: 200,589,744.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,569,556 : 90,209,960 = 90,209,960 : x
  2. Step 2: Convert to fraction form
    40,569,556/90,209,960 = 90,209,960/x
  3. Step 3: Cross multiply
    40,569,556x = 90,209,960 × 90,209,960
  4. Step 4: Simplify right side
    40,569,556x = 8,137,836,883,201,600
  5. Step 5: Solve for x
    x = 8,137,836,883,201,600/40,569,556
  6. Step 6: Final answer
    x = 200,589,744.76

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.