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Finding the Third Proportional to 9,903.75 and 20,637.75

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Solution

The third proportional to 9,903.75 and 20,637.75 is: 43,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,903.75 : 20,637.75 = 20,637.75 : x
  2. Step 2: Convert to fraction form
    9,903.75/20,637.75 = 20,637.75/x
  3. Step 3: Cross multiply
    9,903.75x = 20,637.75 × 20,637.75
  4. Step 4: Simplify right side
    9,903.75x = 425,916,725.06
  5. Step 5: Solve for x
    x = 425,916,725.06/9,903.75
  6. Step 6: Final answer
    x = 43,005.60

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.