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Finding the Third Proportional to 324,559 and 706,261

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Solution

The third proportional to 324,559 and 706,261 is: 1,536,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,559 : 706,261 = 706,261 : x
  2. Step 2: Convert to fraction form
    324,559/706,261 = 706,261/x
  3. Step 3: Cross multiply
    324,559x = 706,261 × 706,261
  4. Step 4: Simplify right side
    324,559x = 498,804,600,121
  5. Step 5: Solve for x
    x = 498,804,600,121/324,559
  6. Step 6: Final answer
    x = 1,536,868.80

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.