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Finding the Third Proportional to 21,563 and 46,276

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Solution

The third proportional to 21,563 and 46,276 is: 99,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563 : 46,276 = 46,276 : x
  2. Step 2: Convert to fraction form
    21,563/46,276 = 46,276/x
  3. Step 3: Cross multiply
    21,563x = 46,276 × 46,276
  4. Step 4: Simplify right side
    21,563x = 2,141,468,176
  5. Step 5: Solve for x
    x = 2,141,468,176/21,563
  6. Step 6: Final answer
    x = 99,312.16

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.