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Finding the Third Proportional to 73,898 and 162,988

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Solution

The third proportional to 73,898 and 162,988 is: 359,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,898 : 162,988 = 162,988 : x
  2. Step 2: Convert to fraction form
    73,898/162,988 = 162,988/x
  3. Step 3: Cross multiply
    73,898x = 162,988 × 162,988
  4. Step 4: Simplify right side
    73,898x = 26,565,088,144
  5. Step 5: Solve for x
    x = 26,565,088,144/73,898
  6. Step 6: Final answer
    x = 359,483.18

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.