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Finding the Third Proportional to 11,970,426 and 18,573,174

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Solution

The third proportional to 11,970,426 and 18,573,174 is: 28,817,921.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970,426 : 18,573,174 = 18,573,174 : x
  2. Step 2: Convert to fraction form
    11,970,426/18,573,174 = 18,573,174/x
  3. Step 3: Cross multiply
    11,970,426x = 18,573,174 × 18,573,174
  4. Step 4: Simplify right side
    11,970,426x = 344,962,792,434,276
  5. Step 5: Solve for x
    x = 344,962,792,434,276/11,970,426
  6. Step 6: Final answer
    x = 28,817,921.14

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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.