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Finding the Third Proportional to 12,475 and 18,841.75

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Solution

The third proportional to 12,475 and 18,841.75 is: 28,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475 : 18,841.75 = 18,841.75 : x
  2. Step 2: Convert to fraction form
    12,475/18,841.75 = 18,841.75/x
  3. Step 3: Cross multiply
    12,475x = 18,841.75 × 18,841.75
  4. Step 4: Simplify right side
    12,475x = 355,011,543.06
  5. Step 5: Solve for x
    x = 355,011,543.06/12,475
  6. Step 6: Final answer
    x = 28,457.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.