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Finding the Third Proportional to 72,770.06 and 108,707.06

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Solution

The third proportional to 72,770.06 and 108,707.06 is: 162,391.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,770.06 : 108,707.06 = 108,707.06 : x
  2. Step 2: Convert to fraction form
    72,770.06/108,707.06 = 108,707.06/x
  3. Step 3: Cross multiply
    72,770.06x = 108,707.06 × 108,707.06
  4. Step 4: Simplify right side
    72,770.06x = 11,817,225,437.38
  5. Step 5: Solve for x
    x = 11,817,225,437.38/72,770.06
  6. Step 6: Final answer
    x = 162,391.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.