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Finding the Third Proportional to 1,861,876.13 and 4,017,669.61

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Solution

The third proportional to 1,861,876.13 and 4,017,669.61 is: 8,669,571.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,876.13 : 4,017,669.61 = 4,017,669.61 : x
  2. Step 2: Convert to fraction form
    1,861,876.13/4,017,669.61 = 4,017,669.61/x
  3. Step 3: Cross multiply
    1,861,876.13x = 4,017,669.61 × 4,017,669.61
  4. Step 4: Simplify right side
    1,861,876.13x = 16,141,669,090,095.46
  5. Step 5: Solve for x
    x = 16,141,669,090,095.46/1,861,876.13
  6. Step 6: Final answer
    x = 8,669,571.98

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.