Home / 77,100-112,722

Finding the Third Proportional to 77,100 and 112,722

Calculator

Solution

The third proportional to 77,100 and 112,722 is: 164,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,100 : 112,722 = 112,722 : x
  2. Step 2: Convert to fraction form
    77,100/112,722 = 112,722/x
  3. Step 3: Cross multiply
    77,100x = 112,722 × 112,722
  4. Step 4: Simplify right side
    77,100x = 12,706,249,284
  5. Step 5: Solve for x
    x = 12,706,249,284/77,100
  6. Step 6: Final answer
    x = 164,802.20

Related Problems

Find third proportional to 38,550 and 56,361
Half scale
Find third proportional to 154,200 and 225,444
Double scale
Find third proportional to 77,102 and 112,725
Similar ratio
Find third proportional to 115,650 and 169,083
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.