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Finding the Third Proportional to 10,999.13 and 14,585.06

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Solution

The third proportional to 10,999.13 and 14,585.06 is: 19,340.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.13 : 14,585.06 = 14,585.06 : x
  2. Step 2: Convert to fraction form
    10,999.13/14,585.06 = 14,585.06/x
  3. Step 3: Cross multiply
    10,999.13x = 14,585.06 × 14,585.06
  4. Step 4: Simplify right side
    10,999.13x = 212,724,048.13
  5. Step 5: Solve for x
    x = 212,724,048.13/10,999.13
  6. Step 6: Final answer
    x = 19,340.09

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.