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Finding the Third Proportional to 64,106.75 and 139,501.75

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Solution

The third proportional to 64,106.75 and 139,501.75 is: 303,567.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,106.75 : 139,501.75 = 139,501.75 : x
  2. Step 2: Convert to fraction form
    64,106.75/139,501.75 = 139,501.75/x
  3. Step 3: Cross multiply
    64,106.75x = 139,501.75 × 139,501.75
  4. Step 4: Simplify right side
    64,106.75x = 19,460,738,253.06
  5. Step 5: Solve for x
    x = 19,460,738,253.06/64,106.75
  6. Step 6: Final answer
    x = 303,567.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.