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Finding the Third Proportional to 120,343 and 187,095

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Solution

The third proportional to 120,343 and 187,095 is: 290,873.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,343 : 187,095 = 187,095 : x
  2. Step 2: Convert to fraction form
    120,343/187,095 = 187,095/x
  3. Step 3: Cross multiply
    120,343x = 187,095 × 187,095
  4. Step 4: Simplify right side
    120,343x = 35,004,539,025
  5. Step 5: Solve for x
    x = 35,004,539,025/120,343
  6. Step 6: Final answer
    x = 290,873.08

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.