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Finding the Third Proportional to 221,475 and 334,857

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Solution

The third proportional to 221,475 and 334,857 is: 506,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,475 : 334,857 = 334,857 : x
  2. Step 2: Convert to fraction form
    221,475/334,857 = 334,857/x
  3. Step 3: Cross multiply
    221,475x = 334,857 × 334,857
  4. Step 4: Simplify right side
    221,475x = 112,129,210,449
  5. Step 5: Solve for x
    x = 112,129,210,449/221,475
  6. Step 6: Final answer
    x = 506,283.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.