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Finding the Third Proportional to 193,146 and 310,239

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Solution

The third proportional to 193,146 and 310,239 is: 498,318.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,146 : 310,239 = 310,239 : x
  2. Step 2: Convert to fraction form
    193,146/310,239 = 310,239/x
  3. Step 3: Cross multiply
    193,146x = 310,239 × 310,239
  4. Step 4: Simplify right side
    193,146x = 96,248,237,121
  5. Step 5: Solve for x
    x = 96,248,237,121/193,146
  6. Step 6: Final answer
    x = 498,318.56

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.