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Finding the Third Proportional to 19,218 and 46,509

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Solution

The third proportional to 19,218 and 46,509 is: 112,555.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218 : 46,509 = 46,509 : x
  2. Step 2: Convert to fraction form
    19,218/46,509 = 46,509/x
  3. Step 3: Cross multiply
    19,218x = 46,509 × 46,509
  4. Step 4: Simplify right side
    19,218x = 2,163,087,081
  5. Step 5: Solve for x
    x = 2,163,087,081/19,218
  6. Step 6: Final answer
    x = 112,555.26

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.