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Finding the Third Proportional to 11,137,318 and 17,721,840

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Solution

The third proportional to 11,137,318 and 17,721,840 is: 28,199,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137,318 : 17,721,840 = 17,721,840 : x
  2. Step 2: Convert to fraction form
    11,137,318/17,721,840 = 17,721,840/x
  3. Step 3: Cross multiply
    11,137,318x = 17,721,840 × 17,721,840
  4. Step 4: Simplify right side
    11,137,318x = 314,063,612,985,600
  5. Step 5: Solve for x
    x = 314,063,612,985,600/11,137,318
  6. Step 6: Final answer
    x = 28,199,213.94

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.