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Finding the Third Proportional to 42,709,682 and 92,137,828

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Solution

The third proportional to 42,709,682 and 92,137,828 is: 198,769,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,709,682 : 92,137,828 = 92,137,828 : x
  2. Step 2: Convert to fraction form
    42,709,682/92,137,828 = 92,137,828/x
  3. Step 3: Cross multiply
    42,709,682x = 92,137,828 × 92,137,828
  4. Step 4: Simplify right side
    42,709,682x = 8,489,379,348,557,584
  5. Step 5: Solve for x
    x = 8,489,379,348,557,584/42,709,682
  6. Step 6: Final answer
    x = 198,769,434.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.