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Finding the Third Proportional to 220,580 and 467,160

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Solution

The third proportional to 220,580 and 467,160 is: 989,384.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,580 : 467,160 = 467,160 : x
  2. Step 2: Convert to fraction form
    220,580/467,160 = 467,160/x
  3. Step 3: Cross multiply
    220,580x = 467,160 × 467,160
  4. Step 4: Simplify right side
    220,580x = 218,238,465,600
  5. Step 5: Solve for x
    x = 218,238,465,600/220,580
  6. Step 6: Final answer
    x = 989,384.65

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.