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Finding the Third Proportional to 865,436.91 and 1,837,900.13

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Solution

The third proportional to 865,436.91 and 1,837,900.13 is: 3,903,088.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,436.91 : 1,837,900.13 = 1,837,900.13 : x
  2. Step 2: Convert to fraction form
    865,436.91/1,837,900.13 = 1,837,900.13/x
  3. Step 3: Cross multiply
    865,436.91x = 1,837,900.13 × 1,837,900.13
  4. Step 4: Simplify right side
    865,436.91x = 3,377,876,869,475.02
  5. Step 5: Solve for x
    x = 3,377,876,869,475.02/865,436.91
  6. Step 6: Final answer
    x = 3,903,088.54

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.