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Finding the Third Proportional to 250,611 and 550,842

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Solution

The third proportional to 250,611 and 550,842 is: 1,210,748.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,611 : 550,842 = 550,842 : x
  2. Step 2: Convert to fraction form
    250,611/550,842 = 550,842/x
  3. Step 3: Cross multiply
    250,611x = 550,842 × 550,842
  4. Step 4: Simplify right side
    250,611x = 303,426,908,964
  5. Step 5: Solve for x
    x = 303,426,908,964/250,611
  6. Step 6: Final answer
    x = 1,210,748.57

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.