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Finding the Third Proportional to 19,903.50 and 30,348

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Solution

The third proportional to 19,903.50 and 30,348 is: 46,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903.50 : 30,348 = 30,348 : x
  2. Step 2: Convert to fraction form
    19,903.50/30,348 = 30,348/x
  3. Step 3: Cross multiply
    19,903.50x = 30,348 × 30,348
  4. Step 4: Simplify right side
    19,903.50x = 921,001,104
  5. Step 5: Solve for x
    x = 921,001,104/19,903.50
  6. Step 6: Final answer
    x = 46,273.32

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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.