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Finding the Third Proportional to 46,489 and 100,357

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Solution

The third proportional to 46,489 and 100,357 is: 216,643.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,489 : 100,357 = 100,357 : x
  2. Step 2: Convert to fraction form
    46,489/100,357 = 100,357/x
  3. Step 3: Cross multiply
    46,489x = 100,357 × 100,357
  4. Step 4: Simplify right side
    46,489x = 10,071,527,449
  5. Step 5: Solve for x
    x = 10,071,527,449/46,489
  6. Step 6: Final answer
    x = 216,643.24

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.