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Finding the Third Proportional to 12,368 and 19,107.75

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Solution

The third proportional to 12,368 and 19,107.75 is: 29,520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368 : 19,107.75 = 19,107.75 : x
  2. Step 2: Convert to fraction form
    12,368/19,107.75 = 19,107.75/x
  3. Step 3: Cross multiply
    12,368x = 19,107.75 × 19,107.75
  4. Step 4: Simplify right side
    12,368x = 365,106,110.06
  5. Step 5: Solve for x
    x = 365,106,110.06/12,368
  6. Step 6: Final answer
    x = 29,520.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.