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Finding the Third Proportional to 338,262 and 727,554

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Solution

The third proportional to 338,262 and 727,554 is: 1,564,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,262 : 727,554 = 727,554 : x
  2. Step 2: Convert to fraction form
    338,262/727,554 = 727,554/x
  3. Step 3: Cross multiply
    338,262x = 727,554 × 727,554
  4. Step 4: Simplify right side
    338,262x = 529,334,822,916
  5. Step 5: Solve for x
    x = 529,334,822,916/338,262
  6. Step 6: Final answer
    x = 1,564,866.35

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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.