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Finding the Third Proportional to 53,112,138 and 108,173,268

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Solution

The third proportional to 53,112,138 and 108,173,268 is: 220,316,039.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,112,138 : 108,173,268 = 108,173,268 : x
  2. Step 2: Convert to fraction form
    53,112,138/108,173,268 = 108,173,268/x
  3. Step 3: Cross multiply
    53,112,138x = 108,173,268 × 108,173,268
  4. Step 4: Simplify right side
    53,112,138x = 11,701,455,909,799,824
  5. Step 5: Solve for x
    x = 11,701,455,909,799,824/53,112,138
  6. Step 6: Final answer
    x = 220,316,039.81

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.