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Finding the Third Proportional to 609,520 and 1,312,344

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Solution

The third proportional to 609,520 and 1,312,344 is: 2,825,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,520 : 1,312,344 = 1,312,344 : x
  2. Step 2: Convert to fraction form
    609,520/1,312,344 = 1,312,344/x
  3. Step 3: Cross multiply
    609,520x = 1,312,344 × 1,312,344
  4. Step 4: Simplify right side
    609,520x = 1,722,246,774,336
  5. Step 5: Solve for x
    x = 1,722,246,774,336/609,520
  6. Step 6: Final answer
    x = 2,825,578.77

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.