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Finding the Third Proportional to 192,587 and 429,431.50

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Solution

The third proportional to 192,587 and 429,431.50 is: 957,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,587 : 429,431.50 = 429,431.50 : x
  2. Step 2: Convert to fraction form
    192,587/429,431.50 = 429,431.50/x
  3. Step 3: Cross multiply
    192,587x = 429,431.50 × 429,431.50
  4. Step 4: Simplify right side
    192,587x = 184,411,413,192.25
  5. Step 5: Solve for x
    x = 184,411,413,192.25/192,587
  6. Step 6: Final answer
    x = 957,548.61

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.