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Finding the Third Proportional to 323,260 and 705,260

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Solution

The third proportional to 323,260 and 705,260 is: 1,538,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,260 : 705,260 = 705,260 : x
  2. Step 2: Convert to fraction form
    323,260/705,260 = 705,260/x
  3. Step 3: Cross multiply
    323,260x = 705,260 × 705,260
  4. Step 4: Simplify right side
    323,260x = 497,391,667,600
  5. Step 5: Solve for x
    x = 497,391,667,600/323,260
  6. Step 6: Final answer
    x = 1,538,673.72

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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.