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Finding the Third Proportional to 69,434,529 and 151,212,810

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Solution

The third proportional to 69,434,529 and 151,212,810 is: 329,307,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,434,529 : 151,212,810 = 151,212,810 : x
  2. Step 2: Convert to fraction form
    69,434,529/151,212,810 = 151,212,810/x
  3. Step 3: Cross multiply
    69,434,529x = 151,212,810 × 151,212,810
  4. Step 4: Simplify right side
    69,434,529x = 22,865,313,908,096,100
  5. Step 5: Solve for x
    x = 22,865,313,908,096,100/69,434,529
  6. Step 6: Final answer
    x = 329,307,539.60

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.