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Finding the Third Proportional to 61,880,996 and 131,138,338

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Solution

The third proportional to 61,880,996 and 131,138,338 is: 277,908,644.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,880,996 : 131,138,338 = 131,138,338 : x
  2. Step 2: Convert to fraction form
    61,880,996/131,138,338 = 131,138,338/x
  3. Step 3: Cross multiply
    61,880,996x = 131,138,338 × 131,138,338
  4. Step 4: Simplify right side
    61,880,996x = 17,197,263,693,402,244
  5. Step 5: Solve for x
    x = 17,197,263,693,402,244/61,880,996
  6. Step 6: Final answer
    x = 277,908,644.09

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.