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Finding the Third Proportional to 191,670.75 and 300,691.13

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Solution

The third proportional to 191,670.75 and 300,691.13 is: 471,721.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,670.75 : 300,691.13 = 300,691.13 : x
  2. Step 2: Convert to fraction form
    191,670.75/300,691.13 = 300,691.13/x
  3. Step 3: Cross multiply
    191,670.75x = 300,691.13 × 300,691.13
  4. Step 4: Simplify right side
    191,670.75x = 90,415,152,653.77
  5. Step 5: Solve for x
    x = 90,415,152,653.77/191,670.75
  6. Step 6: Final answer
    x = 471,721.18

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.