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Finding the Third Proportional to 17,142,319 and 36,609,489

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Solution

The third proportional to 17,142,319 and 36,609,489 is: 78,183,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,142,319 : 36,609,489 = 36,609,489 : x
  2. Step 2: Convert to fraction form
    17,142,319/36,609,489 = 36,609,489/x
  3. Step 3: Cross multiply
    17,142,319x = 36,609,489 × 36,609,489
  4. Step 4: Simplify right side
    17,142,319x = 1,340,254,684,841,121
  5. Step 5: Solve for x
    x = 1,340,254,684,841,121/17,142,319
  6. Step 6: Final answer
    x = 78,183,977.61

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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.