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Finding the Third Proportional to 11,137,327.88 and 17,721,855

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Solution

The third proportional to 11,137,327.88 and 17,721,855 is: 28,199,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137,327.88 : 17,721,855 = 17,721,855 : x
  2. Step 2: Convert to fraction form
    11,137,327.88/17,721,855 = 17,721,855/x
  3. Step 3: Cross multiply
    11,137,327.88x = 17,721,855 × 17,721,855
  4. Step 4: Simplify right side
    11,137,327.88x = 314,064,144,641,025
  5. Step 5: Solve for x
    x = 314,064,144,641,025/11,137,327.88
  6. Step 6: Final answer
    x = 28,199,236.67

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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.