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Finding the Third Proportional to 101,121.75 and 136,130.63

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Solution

The third proportional to 101,121.75 and 136,130.63 is: 183,259.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,121.75 : 136,130.63 = 136,130.63 : x
  2. Step 2: Convert to fraction form
    101,121.75/136,130.63 = 136,130.63/x
  3. Step 3: Cross multiply
    101,121.75x = 136,130.63 × 136,130.63
  4. Step 4: Simplify right side
    101,121.75x = 18,531,547,062.89
  5. Step 5: Solve for x
    x = 18,531,547,062.89/101,121.75
  6. Step 6: Final answer
    x = 183,259.75

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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.