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Finding the Third Proportional to 323,580 and 709,368

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Solution

The third proportional to 323,580 and 709,368 is: 1,555,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,580 : 709,368 = 709,368 : x
  2. Step 2: Convert to fraction form
    323,580/709,368 = 709,368/x
  3. Step 3: Cross multiply
    323,580x = 709,368 × 709,368
  4. Step 4: Simplify right side
    323,580x = 503,202,959,424
  5. Step 5: Solve for x
    x = 503,202,959,424/323,580
  6. Step 6: Final answer
    x = 1,555,111.44

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.