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Finding the Third Proportional to 11,754,261 and 18,163,316

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Solution

The third proportional to 11,754,261 and 18,163,316 is: 28,066,932.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754,261 : 18,163,316 = 18,163,316 : x
  2. Step 2: Convert to fraction form
    11,754,261/18,163,316 = 18,163,316/x
  3. Step 3: Cross multiply
    11,754,261x = 18,163,316 × 18,163,316
  4. Step 4: Simplify right side
    11,754,261x = 329,906,048,115,856
  5. Step 5: Solve for x
    x = 329,906,048,115,856/11,754,261
  6. Step 6: Final answer
    x = 28,066,932.33

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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.