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Finding the Third Proportional to 88,669.69 and 136,292.63

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Solution

The third proportional to 88,669.69 and 136,292.63 is: 209,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,669.69 : 136,292.63 = 136,292.63 : x
  2. Step 2: Convert to fraction form
    88,669.69/136,292.63 = 136,292.63/x
  3. Step 3: Cross multiply
    88,669.69x = 136,292.63 × 136,292.63
  4. Step 4: Simplify right side
    88,669.69x = 18,575,679,629.39
  5. Step 5: Solve for x
    x = 18,575,679,629.39/88,669.69
  6. Step 6: Final answer
    x = 209,493.01

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.