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Finding the Third Proportional to 121,537.13 and 183,988.13

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Solution

The third proportional to 121,537.13 and 183,988.13 is: 278,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,537.13 : 183,988.13 = 183,988.13 : x
  2. Step 2: Convert to fraction form
    121,537.13/183,988.13 = 183,988.13/x
  3. Step 3: Cross multiply
    121,537.13x = 183,988.13 × 183,988.13
  4. Step 4: Simplify right side
    121,537.13x = 33,851,630,141.02
  5. Step 5: Solve for x
    x = 33,851,630,141.02/121,537.13
  6. Step 6: Final answer
    x = 278,529.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.