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Finding the Third Proportional to 163,078 and 359,262

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Solution

The third proportional to 163,078 and 359,262 is: 791,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,078 : 359,262 = 359,262 : x
  2. Step 2: Convert to fraction form
    163,078/359,262 = 359,262/x
  3. Step 3: Cross multiply
    163,078x = 359,262 × 359,262
  4. Step 4: Simplify right side
    163,078x = 129,069,184,644
  5. Step 5: Solve for x
    x = 129,069,184,644/163,078
  6. Step 6: Final answer
    x = 791,456.75

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.