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Finding the Third Proportional to 30,280,683 and 66,617,166

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Solution

The third proportional to 30,280,683 and 66,617,166 is: 146,557,024.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280,683 : 66,617,166 = 66,617,166 : x
  2. Step 2: Convert to fraction form
    30,280,683/66,617,166 = 66,617,166/x
  3. Step 3: Cross multiply
    30,280,683x = 66,617,166 × 66,617,166
  4. Step 4: Simplify right side
    30,280,683x = 4,437,846,805,871,556
  5. Step 5: Solve for x
    x = 4,437,846,805,871,556/30,280,683
  6. Step 6: Final answer
    x = 146,557,024.68

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.