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Finding the Third Proportional to 413,803 and 886,664

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Solution

The third proportional to 413,803 and 886,664 is: 1,899,872.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,803 : 886,664 = 886,664 : x
  2. Step 2: Convert to fraction form
    413,803/886,664 = 886,664/x
  3. Step 3: Cross multiply
    413,803x = 886,664 × 886,664
  4. Step 4: Simplify right side
    413,803x = 786,173,048,896
  5. Step 5: Solve for x
    x = 786,173,048,896/413,803
  6. Step 6: Final answer
    x = 1,899,872.76

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.