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Finding the Third Proportional to 161,498 and 245,739

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Solution

The third proportional to 161,498 and 245,739 is: 373,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,498 : 245,739 = 245,739 : x
  2. Step 2: Convert to fraction form
    161,498/245,739 = 245,739/x
  3. Step 3: Cross multiply
    161,498x = 245,739 × 245,739
  4. Step 4: Simplify right side
    161,498x = 60,387,656,121
  5. Step 5: Solve for x
    x = 60,387,656,121/161,498
  6. Step 6: Final answer
    x = 373,922.01

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.