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Finding the Third Proportional to 15,090.75 and 35,580

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Solution

The third proportional to 15,090.75 and 35,580 is: 83,888.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090.75 : 35,580 = 35,580 : x
  2. Step 2: Convert to fraction form
    15,090.75/35,580 = 35,580/x
  3. Step 3: Cross multiply
    15,090.75x = 35,580 × 35,580
  4. Step 4: Simplify right side
    15,090.75x = 1,265,936,400
  5. Step 5: Solve for x
    x = 1,265,936,400/15,090.75
  6. Step 6: Final answer
    x = 83,888.24

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.