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Finding the Third Proportional to 84,287,980 and 183,890,702

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Solution

The third proportional to 84,287,980 and 183,890,702 is: 401,193,506.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,287,980 : 183,890,702 = 183,890,702 : x
  2. Step 2: Convert to fraction form
    84,287,980/183,890,702 = 183,890,702/x
  3. Step 3: Cross multiply
    84,287,980x = 183,890,702 × 183,890,702
  4. Step 4: Simplify right side
    84,287,980x = 33,815,790,282,052,804
  5. Step 5: Solve for x
    x = 33,815,790,282,052,804/84,287,980
  6. Step 6: Final answer
    x = 401,193,506.86

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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.