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Finding the Third Proportional to 64,486.13 and 99,604.69

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Solution

The third proportional to 64,486.13 and 99,604.69 is: 153,848.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,486.13 : 99,604.69 = 99,604.69 : x
  2. Step 2: Convert to fraction form
    64,486.13/99,604.69 = 99,604.69/x
  3. Step 3: Cross multiply
    64,486.13x = 99,604.69 × 99,604.69
  4. Step 4: Simplify right side
    64,486.13x = 9,921,093,771.97
  5. Step 5: Solve for x
    x = 9,921,093,771.97/64,486.13
  6. Step 6: Final answer
    x = 153,848.50

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.