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Finding the Third Proportional to 19,238.63 and 28,913.63

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Solution

The third proportional to 19,238.63 and 28,913.63 is: 43,454.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.63 : 28,913.63 = 28,913.63 : x
  2. Step 2: Convert to fraction form
    19,238.63/28,913.63 = 28,913.63/x
  3. Step 3: Cross multiply
    19,238.63x = 28,913.63 × 28,913.63
  4. Step 4: Simplify right side
    19,238.63x = 835,997,710.64
  5. Step 5: Solve for x
    x = 835,997,710.64/19,238.63
  6. Step 6: Final answer
    x = 43,454.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.