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Finding the Third Proportional to 156,984 and 341,989

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Solution

The third proportional to 156,984 and 341,989 is: 745,021.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,984 : 341,989 = 341,989 : x
  2. Step 2: Convert to fraction form
    156,984/341,989 = 341,989/x
  3. Step 3: Cross multiply
    156,984x = 341,989 × 341,989
  4. Step 4: Simplify right side
    156,984x = 116,956,476,121
  5. Step 5: Solve for x
    x = 116,956,476,121/156,984
  6. Step 6: Final answer
    x = 745,021.63

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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.