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Finding the Third Proportional to 142,229 and 208,083

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Solution

The third proportional to 142,229 and 208,083 is: 304,428.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,229 : 208,083 = 208,083 : x
  2. Step 2: Convert to fraction form
    142,229/208,083 = 208,083/x
  3. Step 3: Cross multiply
    142,229x = 208,083 × 208,083
  4. Step 4: Simplify right side
    142,229x = 43,298,534,889
  5. Step 5: Solve for x
    x = 43,298,534,889/142,229
  6. Step 6: Final answer
    x = 304,428.32

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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.