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Finding the Third Proportional to 182,985 and 389,298

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Solution

The third proportional to 182,985 and 389,298 is: 828,225.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,985 : 389,298 = 389,298 : x
  2. Step 2: Convert to fraction form
    182,985/389,298 = 389,298/x
  3. Step 3: Cross multiply
    182,985x = 389,298 × 389,298
  4. Step 4: Simplify right side
    182,985x = 151,552,932,804
  5. Step 5: Solve for x
    x = 151,552,932,804/182,985
  6. Step 6: Final answer
    x = 828,225.99

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.