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Finding the Third Proportional to 21,464.75 and 46,623

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Solution

The third proportional to 21,464.75 and 46,623 is: 101,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,464.75 : 46,623 = 46,623 : x
  2. Step 2: Convert to fraction form
    21,464.75/46,623 = 46,623/x
  3. Step 3: Cross multiply
    21,464.75x = 46,623 × 46,623
  4. Step 4: Simplify right side
    21,464.75x = 2,173,704,129
  5. Step 5: Solve for x
    x = 2,173,704,129/21,464.75
  6. Step 6: Final answer
    x = 101,268.55

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.