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Finding the Third Proportional to 579,291 and 1,211,550

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Solution

The third proportional to 579,291 and 1,211,550 is: 2,533,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,291 : 1,211,550 = 1,211,550 : x
  2. Step 2: Convert to fraction form
    579,291/1,211,550 = 1,211,550/x
  3. Step 3: Cross multiply
    579,291x = 1,211,550 × 1,211,550
  4. Step 4: Simplify right side
    579,291x = 1,467,853,402,500
  5. Step 5: Solve for x
    x = 1,467,853,402,500/579,291
  6. Step 6: Final answer
    x = 2,533,879.18

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.