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Finding the Third Proportional to 30,728.50 and 46,733.75

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Solution

The third proportional to 30,728.50 and 46,733.75 is: 71,075.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,728.50 : 46,733.75 = 46,733.75 : x
  2. Step 2: Convert to fraction form
    30,728.50/46,733.75 = 46,733.75/x
  3. Step 3: Cross multiply
    30,728.50x = 46,733.75 × 46,733.75
  4. Step 4: Simplify right side
    30,728.50x = 2,184,043,389.06
  5. Step 5: Solve for x
    x = 2,184,043,389.06/30,728.50
  6. Step 6: Final answer
    x = 71,075.50

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.