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Finding the Third Proportional to 38,555,340 and 51,401,388

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Solution

The third proportional to 38,555,340 and 51,401,388 is: 68,527,542.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,555,340 : 51,401,388 = 51,401,388 : x
  2. Step 2: Convert to fraction form
    38,555,340/51,401,388 = 51,401,388/x
  3. Step 3: Cross multiply
    38,555,340x = 51,401,388 × 51,401,388
  4. Step 4: Simplify right side
    38,555,340x = 2,642,102,688,326,544
  5. Step 5: Solve for x
    x = 2,642,102,688,326,544/38,555,340
  6. Step 6: Final answer
    x = 68,527,542.19

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.