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Finding the Third Proportional to 61,880,110 and 131,136,698

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Solution

The third proportional to 61,880,110 and 131,136,698 is: 277,905,672.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,880,110 : 131,136,698 = 131,136,698 : x
  2. Step 2: Convert to fraction form
    61,880,110/131,136,698 = 131,136,698/x
  3. Step 3: Cross multiply
    61,880,110x = 131,136,698 × 131,136,698
  4. Step 4: Simplify right side
    61,880,110x = 17,196,833,562,343,204
  5. Step 5: Solve for x
    x = 17,196,833,562,343,204/61,880,110
  6. Step 6: Final answer
    x = 277,905,672.15

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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.