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Finding the Third Proportional to 21,275 and 46,358

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Solution

The third proportional to 21,275 and 46,358 is: 101,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275 : 46,358 = 46,358 : x
  2. Step 2: Convert to fraction form
    21,275/46,358 = 46,358/x
  3. Step 3: Cross multiply
    21,275x = 46,358 × 46,358
  4. Step 4: Simplify right side
    21,275x = 2,149,064,164
  5. Step 5: Solve for x
    x = 2,149,064,164/21,275
  6. Step 6: Final answer
    x = 101,013.59

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.