Home / 162,217.50-216,990

Finding the Third Proportional to 162,217.50 and 216,990

Calculator

Solution

The third proportional to 162,217.50 and 216,990 is: 290,256.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,217.50 : 216,990 = 216,990 : x
  2. Step 2: Convert to fraction form
    162,217.50/216,990 = 216,990/x
  3. Step 3: Cross multiply
    162,217.50x = 216,990 × 216,990
  4. Step 4: Simplify right side
    162,217.50x = 47,084,660,100
  5. Step 5: Solve for x
    x = 47,084,660,100/162,217.50
  6. Step 6: Final answer
    x = 290,256.35

Related Problems

Find third proportional to 81,108.75 and 108,495
Half scale
Find third proportional to 324,435 and 433,980
Double scale
Find third proportional to 162,220 and 216,993
Similar ratio
Find third proportional to 243,326.25 and 325,485
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.