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Finding the Third Proportional to 28,855.13 and 43,472.81

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Solution

The third proportional to 28,855.13 and 43,472.81 is: 65,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855.13 : 43,472.81 = 43,472.81 : x
  2. Step 2: Convert to fraction form
    28,855.13/43,472.81 = 43,472.81/x
  3. Step 3: Cross multiply
    28,855.13x = 43,472.81 × 43,472.81
  4. Step 4: Simplify right side
    28,855.13x = 1,889,885,426.66
  5. Step 5: Solve for x
    x = 1,889,885,426.66/28,855.13
  6. Step 6: Final answer
    x = 65,495.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.