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Finding the Third Proportional to 64,179.84 and 139,225.08

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Solution

The third proportional to 64,179.84 and 139,225.08 is: 302,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,179.84 : 139,225.08 = 139,225.08 : x
  2. Step 2: Convert to fraction form
    64,179.84/139,225.08 = 139,225.08/x
  3. Step 3: Cross multiply
    64,179.84x = 139,225.08 × 139,225.08
  4. Step 4: Simplify right side
    64,179.84x = 19,383,622,378.91
  5. Step 5: Solve for x
    x = 19,383,622,378.91/64,179.84
  6. Step 6: Final answer
    x = 302,020.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.