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Finding the Third Proportional to 13,815.56 and 29,802.94

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Solution

The third proportional to 13,815.56 and 29,802.94 is: 64,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815.56 : 29,802.94 = 29,802.94 : x
  2. Step 2: Convert to fraction form
    13,815.56/29,802.94 = 29,802.94/x
  3. Step 3: Cross multiply
    13,815.56x = 29,802.94 × 29,802.94
  4. Step 4: Simplify right side
    13,815.56x = 888,215,083.63
  5. Step 5: Solve for x
    x = 888,215,083.63/13,815.56
  6. Step 6: Final answer
    x = 64,290.91

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.