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Finding the Third Proportional to 45,389 and 105,473

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Solution

The third proportional to 45,389 and 105,473 is: 245,093.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,389 : 105,473 = 105,473 : x
  2. Step 2: Convert to fraction form
    45,389/105,473 = 105,473/x
  3. Step 3: Cross multiply
    45,389x = 105,473 × 105,473
  4. Step 4: Simplify right side
    45,389x = 11,124,553,729
  5. Step 5: Solve for x
    x = 11,124,553,729/45,389
  6. Step 6: Final answer
    x = 245,093.61

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.