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Finding the Third Proportional to 53,178,778 and 115,674,996

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Solution

The third proportional to 53,178,778 and 115,674,996 is: 251,617,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,178,778 : 115,674,996 = 115,674,996 : x
  2. Step 2: Convert to fraction form
    53,178,778/115,674,996 = 115,674,996/x
  3. Step 3: Cross multiply
    53,178,778x = 115,674,996 × 115,674,996
  4. Step 4: Simplify right side
    53,178,778x = 13,380,704,699,600,016
  5. Step 5: Solve for x
    x = 13,380,704,699,600,016/53,178,778
  6. Step 6: Final answer
    x = 251,617,378.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.