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Finding the Third Proportional to 426,752 and 919,600

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Solution

The third proportional to 426,752 and 919,600 is: 1,981,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,752 : 919,600 = 919,600 : x
  2. Step 2: Convert to fraction form
    426,752/919,600 = 919,600/x
  3. Step 3: Cross multiply
    426,752x = 919,600 × 919,600
  4. Step 4: Simplify right side
    426,752x = 845,664,160,000
  5. Step 5: Solve for x
    x = 845,664,160,000/426,752
  6. Step 6: Final answer
    x = 1,981,629.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.