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Finding the Third Proportional to 16,851,833 and 36,306,905

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Solution

The third proportional to 16,851,833 and 36,306,905 is: 78,222,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851,833 : 36,306,905 = 36,306,905 : x
  2. Step 2: Convert to fraction form
    16,851,833/36,306,905 = 36,306,905/x
  3. Step 3: Cross multiply
    16,851,833x = 36,306,905 × 36,306,905
  4. Step 4: Simplify right side
    16,851,833x = 1,318,191,350,679,025
  5. Step 5: Solve for x
    x = 1,318,191,350,679,025/16,851,833
  6. Step 6: Final answer
    x = 78,222,431.39

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.