Home / 129,028,496,837-202,407,638,150

Finding the Third Proportional to 129,028,496,837 and 202,407,638,150

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Solution

The third proportional to 129,028,496,837 and 202,407,638,150 is: 317,517,858,347.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,028,496,837 : 202,407,638,150 = 202,407,638,150 : x
  2. Step 2: Convert to fraction form
    129,028,496,837/202,407,638,150 = 202,407,638,150/x
  3. Step 3: Cross multiply
    129,028,496,837x = 202,407,638,150 × 202,407,638,150
  4. Step 4: Simplify right side
    129,028,496,837x = 40,968,851,981,461,331,378,176
  5. Step 5: Solve for x
    x = 40,968,851,981,461,331,378,176/129,028,496,837
  6. Step 6: Final answer
    x = 317,517,858,347.34

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.