Home / 77,786-170,151

Finding the Third Proportional to 77,786 and 170,151

Calculator

Solution

The third proportional to 77,786 and 170,151 is: 372,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,786 : 170,151 = 170,151 : x
  2. Step 2: Convert to fraction form
    77,786/170,151 = 170,151/x
  3. Step 3: Cross multiply
    77,786x = 170,151 × 170,151
  4. Step 4: Simplify right side
    77,786x = 28,951,362,801
  5. Step 5: Solve for x
    x = 28,951,362,801/77,786
  6. Step 6: Final answer
    x = 372,192.46

Related Problems

Find third proportional to 38,893 and 85,075.50
Half scale
Find third proportional to 155,572 and 340,302
Double scale
Find third proportional to 77,788 and 170,155
Similar ratio
Find third proportional to 116,679 and 255,226.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.