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Finding the Third Proportional to 72,062.50 and 115,119

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Solution

The third proportional to 72,062.50 and 115,119 is: 183,901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,062.50 : 115,119 = 115,119 : x
  2. Step 2: Convert to fraction form
    72,062.50/115,119 = 115,119/x
  3. Step 3: Cross multiply
    72,062.50x = 115,119 × 115,119
  4. Step 4: Simplify right side
    72,062.50x = 13,252,384,161
  5. Step 5: Solve for x
    x = 13,252,384,161/72,062.50
  6. Step 6: Final answer
    x = 183,901.25

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.