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Finding the Third Proportional to 73,887.19 and 108,210.94

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Solution

The third proportional to 73,887.19 and 108,210.94 is: 158,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,887.19 : 108,210.94 = 108,210.94 : x
  2. Step 2: Convert to fraction form
    73,887.19/108,210.94 = 108,210.94/x
  3. Step 3: Cross multiply
    73,887.19x = 108,210.94 × 108,210.94
  4. Step 4: Simplify right side
    73,887.19x = 11,709,606,994.63
  5. Step 5: Solve for x
    x = 11,709,606,994.63/73,887.19
  6. Step 6: Final answer
    x = 158,479.53

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.