Home / 77,998-117,699

Finding the Third Proportional to 77,998 and 117,699

Calculator

Solution

The third proportional to 77,998 and 117,699 is: 177,607.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,998 : 117,699 = 117,699 : x
  2. Step 2: Convert to fraction form
    77,998/117,699 = 117,699/x
  3. Step 3: Cross multiply
    77,998x = 117,699 × 117,699
  4. Step 4: Simplify right side
    77,998x = 13,853,054,601
  5. Step 5: Solve for x
    x = 13,853,054,601/77,998
  6. Step 6: Final answer
    x = 177,607.82

Related Problems

Find third proportional to 38,999 and 58,849.50
Half scale
Find third proportional to 155,996 and 235,398
Double scale
Find third proportional to 78,000 and 117,702
Similar ratio
Find third proportional to 116,997 and 176,548.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.