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Finding the Third Proportional to 790,857 and 1,225,611

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Solution

The third proportional to 790,857 and 1,225,611 is: 1,899,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,857 : 1,225,611 = 1,225,611 : x
  2. Step 2: Convert to fraction form
    790,857/1,225,611 = 1,225,611/x
  3. Step 3: Cross multiply
    790,857x = 1,225,611 × 1,225,611
  4. Step 4: Simplify right side
    790,857x = 1,502,122,323,321
  5. Step 5: Solve for x
    x = 1,502,122,323,321/790,857
  6. Step 6: Final answer
    x = 1,899,360.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.