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Finding the Third Proportional to 11,754,384 and 18,163,521

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Solution

The third proportional to 11,754,384 and 18,163,521 is: 28,067,272.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754,384 : 18,163,521 = 18,163,521 : x
  2. Step 2: Convert to fraction form
    11,754,384/18,163,521 = 18,163,521/x
  3. Step 3: Cross multiply
    11,754,384x = 18,163,521 × 18,163,521
  4. Step 4: Simplify right side
    11,754,384x = 329,913,495,117,441
  5. Step 5: Solve for x
    x = 329,913,495,117,441/11,754,384
  6. Step 6: Final answer
    x = 28,067,272.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.