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Finding the Third Proportional to 21,045.75 and 46,047.75

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Solution

The third proportional to 21,045.75 and 46,047.75 is: 100,751.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045.75 : 46,047.75 = 46,047.75 : x
  2. Step 2: Convert to fraction form
    21,045.75/46,047.75 = 46,047.75/x
  3. Step 3: Cross multiply
    21,045.75x = 46,047.75 × 46,047.75
  4. Step 4: Simplify right side
    21,045.75x = 2,120,395,280.06
  5. Step 5: Solve for x
    x = 2,120,395,280.06/21,045.75
  6. Step 6: Final answer
    x = 100,751.71

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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.