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Finding the Third Proportional to 72,557.06 and 112,119.19

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Solution

The third proportional to 72,557.06 and 112,119.19 is: 173,252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,557.06 : 112,119.19 = 112,119.19 : x
  2. Step 2: Convert to fraction form
    72,557.06/112,119.19 = 112,119.19/x
  3. Step 3: Cross multiply
    72,557.06x = 112,119.19 × 112,119.19
  4. Step 4: Simplify right side
    72,557.06x = 12,570,712,205.66
  5. Step 5: Solve for x
    x = 12,570,712,205.66/72,557.06
  6. Step 6: Final answer
    x = 173,252.77

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.