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Finding the Third Proportional to 11,754,810 and 18,156,276

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Solution

The third proportional to 11,754,810 and 18,156,276 is: 28,043,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754,810 : 18,156,276 = 18,156,276 : x
  2. Step 2: Convert to fraction form
    11,754,810/18,156,276 = 18,156,276/x
  3. Step 3: Cross multiply
    11,754,810x = 18,156,276 × 18,156,276
  4. Step 4: Simplify right side
    11,754,810x = 329,650,358,188,176
  5. Step 5: Solve for x
    x = 329,650,358,188,176/11,754,810
  6. Step 6: Final answer
    x = 28,043,869.55

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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.