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Finding the Third Proportional to 19,581,183 and 42,646,257

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Solution

The third proportional to 19,581,183 and 42,646,257 is: 92,880,151.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581,183 : 42,646,257 = 42,646,257 : x
  2. Step 2: Convert to fraction form
    19,581,183/42,646,257 = 42,646,257/x
  3. Step 3: Cross multiply
    19,581,183x = 42,646,257 × 42,646,257
  4. Step 4: Simplify right side
    19,581,183x = 1,818,703,236,110,049
  5. Step 5: Solve for x
    x = 1,818,703,236,110,049/19,581,183
  6. Step 6: Final answer
    x = 92,880,151.12

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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.