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Finding the Third Proportional to 131,145.38 and 202,529.63

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Solution

The third proportional to 131,145.38 and 202,529.63 is: 312,769.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,145.38 : 202,529.63 = 202,529.63 : x
  2. Step 2: Convert to fraction form
    131,145.38/202,529.63 = 202,529.63/x
  3. Step 3: Cross multiply
    131,145.38x = 202,529.63 × 202,529.63
  4. Step 4: Simplify right side
    131,145.38x = 41,018,249,002.64
  5. Step 5: Solve for x
    x = 41,018,249,002.64/131,145.38
  6. Step 6: Final answer
    x = 312,769.31

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.