Home / 77,155,110.75-117,541,478.25

Finding the Third Proportional to 77,155,110.75 and 117,541,478.25

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Solution

The third proportional to 77,155,110.75 and 117,541,478.25 is: 179,067,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,155,110.75 : 117,541,478.25 = 117,541,478.25 : x
  2. Step 2: Convert to fraction form
    77,155,110.75/117,541,478.25 = 117,541,478.25/x
  3. Step 3: Cross multiply
    77,155,110.75x = 117,541,478.25 × 117,541,478.25
  4. Step 4: Simplify right side
    77,155,110.75x = 13,815,999,109,195,224
  5. Step 5: Solve for x
    x = 13,815,999,109,195,224/77,155,110.75
  6. Step 6: Final answer
    x = 179,067,841.07

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.