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Finding the Third Proportional to 189,900.38 and 293,948.63

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Solution

The third proportional to 189,900.38 and 293,948.63 is: 455,005.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,900.38 : 293,948.63 = 293,948.63 : x
  2. Step 2: Convert to fraction form
    189,900.38/293,948.63 = 293,948.63/x
  3. Step 3: Cross multiply
    189,900.38x = 293,948.63 × 293,948.63
  4. Step 4: Simplify right side
    189,900.38x = 86,405,794,139.39
  5. Step 5: Solve for x
    x = 86,405,794,139.39/189,900.38
  6. Step 6: Final answer
    x = 455,005.92

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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.