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Finding the Third Proportional to 42,981,862 and 92,892,140

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Solution

The third proportional to 42,981,862 and 92,892,140 is: 200,757,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,981,862 : 92,892,140 = 92,892,140 : x
  2. Step 2: Convert to fraction form
    42,981,862/92,892,140 = 92,892,140/x
  3. Step 3: Cross multiply
    42,981,862x = 92,892,140 × 92,892,140
  4. Step 4: Simplify right side
    42,981,862x = 8,628,949,673,779,600
  5. Step 5: Solve for x
    x = 8,628,949,673,779,600/42,981,862
  6. Step 6: Final answer
    x = 200,757,930.72

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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.