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Finding the Third Proportional to 201,762 and 442,708

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Solution

The third proportional to 201,762 and 442,708 is: 971,393.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,762 : 442,708 = 442,708 : x
  2. Step 2: Convert to fraction form
    201,762/442,708 = 442,708/x
  3. Step 3: Cross multiply
    201,762x = 442,708 × 442,708
  4. Step 4: Simplify right side
    201,762x = 195,990,373,264
  5. Step 5: Solve for x
    x = 195,990,373,264/201,762
  6. Step 6: Final answer
    x = 971,393.89

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.