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Finding the Third Proportional to 72,415.13 and 151,450.88

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Solution

The third proportional to 72,415.13 and 151,450.88 is: 316,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,415.13 : 151,450.88 = 151,450.88 : x
  2. Step 2: Convert to fraction form
    72,415.13/151,450.88 = 151,450.88/x
  3. Step 3: Cross multiply
    72,415.13x = 151,450.88 × 151,450.88
  4. Step 4: Simplify right side
    72,415.13x = 22,937,367,538.27
  5. Step 5: Solve for x
    x = 22,937,367,538.27/72,415.13
  6. Step 6: Final answer
    x = 316,748.30

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.