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Finding the Third Proportional to 61,766,810 and 133,106,918

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Solution

The third proportional to 61,766,810 and 133,106,918 is: 286,844,206.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,766,810 : 133,106,918 = 133,106,918 : x
  2. Step 2: Convert to fraction form
    61,766,810/133,106,918 = 133,106,918/x
  3. Step 3: Cross multiply
    61,766,810x = 133,106,918 × 133,106,918
  4. Step 4: Simplify right side
    61,766,810x = 17,717,451,619,458,724
  5. Step 5: Solve for x
    x = 17,717,451,619,458,724/61,766,810
  6. Step 6: Final answer
    x = 286,844,206.77

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.