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Finding the Third Proportional to 11,929,257 and 18,358,908

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Solution

The third proportional to 11,929,257 and 18,358,908 is: 28,254,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929,257 : 18,358,908 = 18,358,908 : x
  2. Step 2: Convert to fraction form
    11,929,257/18,358,908 = 18,358,908/x
  3. Step 3: Cross multiply
    11,929,257x = 18,358,908 × 18,358,908
  4. Step 4: Simplify right side
    11,929,257x = 337,049,502,952,464
  5. Step 5: Solve for x
    x = 337,049,502,952,464/11,929,257
  6. Step 6: Final answer
    x = 28,254,023.11

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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.