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Finding the Third Proportional to 141,719.88 and 308,349.56

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Solution

The third proportional to 141,719.88 and 308,349.56 is: 670,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,719.88 : 308,349.56 = 308,349.56 : x
  2. Step 2: Convert to fraction form
    141,719.88/308,349.56 = 308,349.56/x
  3. Step 3: Cross multiply
    141,719.88x = 308,349.56 × 308,349.56
  4. Step 4: Simplify right side
    141,719.88x = 95,079,452,693.94
  5. Step 5: Solve for x
    x = 95,079,452,693.94/141,719.88
  6. Step 6: Final answer
    x = 670,897.10

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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.