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Finding the Third Proportional to 161,786 and 346,988

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Solution

The third proportional to 161,786 and 346,988 is: 744,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,786 : 346,988 = 346,988 : x
  2. Step 2: Convert to fraction form
    161,786/346,988 = 346,988/x
  3. Step 3: Cross multiply
    161,786x = 346,988 × 346,988
  4. Step 4: Simplify right side
    161,786x = 120,400,672,144
  5. Step 5: Solve for x
    x = 120,400,672,144/161,786
  6. Step 6: Final answer
    x = 744,197.10

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.