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Finding the Third Proportional to 19,857.66 and 43,332.47

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Solution

The third proportional to 19,857.66 and 43,332.47 is: 94,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,857.66 : 43,332.47 = 43,332.47 : x
  2. Step 2: Convert to fraction form
    19,857.66/43,332.47 = 43,332.47/x
  3. Step 3: Cross multiply
    19,857.66x = 43,332.47 × 43,332.47
  4. Step 4: Simplify right side
    19,857.66x = 1,877,702,847.97
  5. Step 5: Solve for x
    x = 1,877,702,847.97/19,857.66
  6. Step 6: Final answer
    x = 94,558.13

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.