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Finding the Third Proportional to 8,773,351.69 and 13,638,465.38

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Solution

The third proportional to 8,773,351.69 and 13,638,465.38 is: 21,201,445.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773,351.69 : 13,638,465.38 = 13,638,465.38 : x
  2. Step 2: Convert to fraction form
    8,773,351.69/13,638,465.38 = 13,638,465.38/x
  3. Step 3: Cross multiply
    8,773,351.69x = 13,638,465.38 × 13,638,465.38
  4. Step 4: Simplify right side
    8,773,351.69x = 186,007,737,785,073.88
  5. Step 5: Solve for x
    x = 186,007,737,785,073.88/8,773,351.69
  6. Step 6: Final answer
    x = 21,201,445.51

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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.