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Finding the Third Proportional to 9,903.75 and 15,038.25

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Solution

The third proportional to 9,903.75 and 15,038.25 is: 22,834.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,903.75 : 15,038.25 = 15,038.25 : x
  2. Step 2: Convert to fraction form
    9,903.75/15,038.25 = 15,038.25/x
  3. Step 3: Cross multiply
    9,903.75x = 15,038.25 × 15,038.25
  4. Step 4: Simplify right side
    9,903.75x = 226,148,963.06
  5. Step 5: Solve for x
    x = 226,148,963.06/9,903.75
  6. Step 6: Final answer
    x = 22,834.68

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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.