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Finding the Third Proportional to 46,821.75 and 72,417.75

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Solution

The third proportional to 46,821.75 and 72,417.75 is: 112,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,821.75 : 72,417.75 = 72,417.75 : x
  2. Step 2: Convert to fraction form
    46,821.75/72,417.75 = 72,417.75/x
  3. Step 3: Cross multiply
    46,821.75x = 72,417.75 × 72,417.75
  4. Step 4: Simplify right side
    46,821.75x = 5,244,330,515.06
  5. Step 5: Solve for x
    x = 5,244,330,515.06/46,821.75
  6. Step 6: Final answer
    x = 112,006.29

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.