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Finding the Third Proportional to 7,892,140 and 16,982,072

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Solution

The third proportional to 7,892,140 and 16,982,072 is: 36,541,517.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892,140 : 16,982,072 = 16,982,072 : x
  2. Step 2: Convert to fraction form
    7,892,140/16,982,072 = 16,982,072/x
  3. Step 3: Cross multiply
    7,892,140x = 16,982,072 × 16,982,072
  4. Step 4: Simplify right side
    7,892,140x = 288,390,769,413,184
  5. Step 5: Solve for x
    x = 288,390,769,413,184/7,892,140
  6. Step 6: Final answer
    x = 36,541,517.18

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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.