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Finding the Third Proportional to 30,362,317 and 66,115,576

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Solution

The third proportional to 30,362,317 and 66,115,576 is: 143,970,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,362,317 : 66,115,576 = 66,115,576 : x
  2. Step 2: Convert to fraction form
    30,362,317/66,115,576 = 66,115,576/x
  3. Step 3: Cross multiply
    30,362,317x = 66,115,576 × 66,115,576
  4. Step 4: Simplify right side
    30,362,317x = 4,371,269,389,811,776
  5. Step 5: Solve for x
    x = 4,371,269,389,811,776/30,362,317
  6. Step 6: Final answer
    x = 143,970,217.75

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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.