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Finding the Third Proportional to 287,232 and 613,564

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Solution

The third proportional to 287,232 and 613,564 is: 1,310,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,232 : 613,564 = 613,564 : x
  2. Step 2: Convert to fraction form
    287,232/613,564 = 613,564/x
  3. Step 3: Cross multiply
    287,232x = 613,564 × 613,564
  4. Step 4: Simplify right side
    287,232x = 376,460,782,096
  5. Step 5: Solve for x
    x = 376,460,782,096/287,232
  6. Step 6: Final answer
    x = 1,310,650.56

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.