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Finding the Third Proportional to 414,790 and 659,545

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Solution

The third proportional to 414,790 and 659,545 is: 1,048,722.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,790 : 659,545 = 659,545 : x
  2. Step 2: Convert to fraction form
    414,790/659,545 = 659,545/x
  3. Step 3: Cross multiply
    414,790x = 659,545 × 659,545
  4. Step 4: Simplify right side
    414,790x = 434,999,607,025
  5. Step 5: Solve for x
    x = 434,999,607,025/414,790
  6. Step 6: Final answer
    x = 1,048,722.50

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.