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Finding the Third Proportional to 15,990.75 and 22,798.13

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Solution

The third proportional to 15,990.75 and 22,798.13 is: 32,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.75 : 22,798.13 = 22,798.13 : x
  2. Step 2: Convert to fraction form
    15,990.75/22,798.13 = 22,798.13/x
  3. Step 3: Cross multiply
    15,990.75x = 22,798.13 × 22,798.13
  4. Step 4: Simplify right side
    15,990.75x = 519,754,503.52
  5. Step 5: Solve for x
    x = 519,754,503.52/15,990.75
  6. Step 6: Final answer
    x = 32,503.45

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.