Home / 77,988-122,214

Finding the Third Proportional to 77,988 and 122,214

Calculator

Solution

The third proportional to 77,988 and 122,214 is: 191,520.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,988 : 122,214 = 122,214 : x
  2. Step 2: Convert to fraction form
    77,988/122,214 = 122,214/x
  3. Step 3: Cross multiply
    77,988x = 122,214 × 122,214
  4. Step 4: Simplify right side
    77,988x = 14,936,261,796
  5. Step 5: Solve for x
    x = 14,936,261,796/77,988
  6. Step 6: Final answer
    x = 191,520.00

Related Problems

Find third proportional to 38,994 and 61,107
Half scale
Find third proportional to 155,976 and 244,428
Double scale
Find third proportional to 77,990 and 122,217
Similar ratio
Find third proportional to 116,982 and 183,321
1.5x scale

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.