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Finding the Third Proportional to 13,333,272 and 18,878,866

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Solution

The third proportional to 13,333,272 and 18,878,866 is: 26,730,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333,272 : 18,878,866 = 18,878,866 : x
  2. Step 2: Convert to fraction form
    13,333,272/18,878,866 = 18,878,866/x
  3. Step 3: Cross multiply
    13,333,272x = 18,878,866 × 18,878,866
  4. Step 4: Simplify right side
    13,333,272x = 356,411,581,445,956
  5. Step 5: Solve for x
    x = 356,411,581,445,956/13,333,272
  6. Step 6: Final answer
    x = 26,730,991.57

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.