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Finding the Third Proportional to 15,309 and 33,032.81

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Solution

The third proportional to 15,309 and 33,032.81 is: 71,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309 : 33,032.81 = 33,032.81 : x
  2. Step 2: Convert to fraction form
    15,309/33,032.81 = 33,032.81/x
  3. Step 3: Cross multiply
    15,309x = 33,032.81 × 33,032.81
  4. Step 4: Simplify right side
    15,309x = 1,091,166,701.66
  5. Step 5: Solve for x
    x = 1,091,166,701.66/15,309
  6. Step 6: Final answer
    x = 71,276.16

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.