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Finding the Third Proportional to 64,567.13 and 139,026.38

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Solution

The third proportional to 64,567.13 and 139,026.38 is: 299,352.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,567.13 : 139,026.38 = 139,026.38 : x
  2. Step 2: Convert to fraction form
    64,567.13/139,026.38 = 139,026.38/x
  3. Step 3: Cross multiply
    64,567.13x = 139,026.38 × 139,026.38
  4. Step 4: Simplify right side
    64,567.13x = 19,328,332,945.64
  5. Step 5: Solve for x
    x = 19,328,332,945.64/64,567.13
  6. Step 6: Final answer
    x = 299,352.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.