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Finding the Third Proportional to 896,640 and 1,876,368

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Solution

The third proportional to 896,640 and 1,876,368 is: 3,926,611.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,640 : 1,876,368 = 1,876,368 : x
  2. Step 2: Convert to fraction form
    896,640/1,876,368 = 1,876,368/x
  3. Step 3: Cross multiply
    896,640x = 1,876,368 × 1,876,368
  4. Step 4: Simplify right side
    896,640x = 3,520,756,871,424
  5. Step 5: Solve for x
    x = 3,520,756,871,424/896,640
  6. Step 6: Final answer
    x = 3,926,611.43

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.