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Finding the Third Proportional to 427,558.50 and 929,042.16

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Solution

The third proportional to 427,558.50 and 929,042.16 is: 2,018,716.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,558.50 : 929,042.16 = 929,042.16 : x
  2. Step 2: Convert to fraction form
    427,558.50/929,042.16 = 929,042.16/x
  3. Step 3: Cross multiply
    427,558.50x = 929,042.16 × 929,042.16
  4. Step 4: Simplify right side
    427,558.50x = 863,119,328,089.65
  5. Step 5: Solve for x
    x = 863,119,328,089.65/427,558.50
  6. Step 6: Final answer
    x = 2,018,716.33

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.