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Finding the Third Proportional to 28,922 and 63,382

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Solution

The third proportional to 28,922 and 63,382 is: 138,900.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,922 : 63,382 = 63,382 : x
  2. Step 2: Convert to fraction form
    28,922/63,382 = 63,382/x
  3. Step 3: Cross multiply
    28,922x = 63,382 × 63,382
  4. Step 4: Simplify right side
    28,922x = 4,017,277,924
  5. Step 5: Solve for x
    x = 4,017,277,924/28,922
  6. Step 6: Final answer
    x = 138,900.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.