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Finding the Third Proportional to 11,754,786 and 18,156,237

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Solution

The third proportional to 11,754,786 and 18,156,237 is: 28,043,806.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754,786 : 18,156,237 = 18,156,237 : x
  2. Step 2: Convert to fraction form
    11,754,786/18,156,237 = 18,156,237/x
  3. Step 3: Cross multiply
    11,754,786x = 18,156,237 × 18,156,237
  4. Step 4: Simplify right side
    11,754,786x = 329,648,942,000,169
  5. Step 5: Solve for x
    x = 329,648,942,000,169/11,754,786
  6. Step 6: Final answer
    x = 28,043,806.33

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.