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Finding the Third Proportional to 360,204 and 776,280

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Solution

The third proportional to 360,204 and 776,280 is: 1,672,970.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,204 : 776,280 = 776,280 : x
  2. Step 2: Convert to fraction form
    360,204/776,280 = 776,280/x
  3. Step 3: Cross multiply
    360,204x = 776,280 × 776,280
  4. Step 4: Simplify right side
    360,204x = 602,610,638,400
  5. Step 5: Solve for x
    x = 602,610,638,400/360,204
  6. Step 6: Final answer
    x = 1,672,970.42

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.