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Finding the Third Proportional to 191,490.75 and 303,076.13

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Solution

The third proportional to 191,490.75 and 303,076.13 is: 479,684.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,490.75 : 303,076.13 = 303,076.13 : x
  2. Step 2: Convert to fraction form
    191,490.75/303,076.13 = 303,076.13/x
  3. Step 3: Cross multiply
    191,490.75x = 303,076.13 × 303,076.13
  4. Step 4: Simplify right side
    191,490.75x = 91,855,137,545.02
  5. Step 5: Solve for x
    x = 91,855,137,545.02/191,490.75
  6. Step 6: Final answer
    x = 479,684.46

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.