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Finding the Third Proportional to 246,989 and 368,859

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Solution

The third proportional to 246,989 and 368,859 is: 550,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,989 : 368,859 = 368,859 : x
  2. Step 2: Convert to fraction form
    246,989/368,859 = 368,859/x
  3. Step 3: Cross multiply
    246,989x = 368,859 × 368,859
  4. Step 4: Simplify right side
    246,989x = 136,056,961,881
  5. Step 5: Solve for x
    x = 136,056,961,881/246,989
  6. Step 6: Final answer
    x = 550,862.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.