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Finding the Third Proportional to 28,168,842 and 61,717,704

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Solution

The third proportional to 28,168,842 and 61,717,704 is: 135,222,988.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,168,842 : 61,717,704 = 61,717,704 : x
  2. Step 2: Convert to fraction form
    28,168,842/61,717,704 = 61,717,704/x
  3. Step 3: Cross multiply
    28,168,842x = 61,717,704 × 61,717,704
  4. Step 4: Simplify right side
    28,168,842x = 3,809,074,987,031,616
  5. Step 5: Solve for x
    x = 3,809,074,987,031,616/28,168,842
  6. Step 6: Final answer
    x = 135,222,988.12

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.