Home / 155,518.50-326,701.50

Finding the Third Proportional to 155,518.50 and 326,701.50

Calculator

Solution

The third proportional to 155,518.50 and 326,701.50 is: 686,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,518.50 : 326,701.50 = 326,701.50 : x
  2. Step 2: Convert to fraction form
    155,518.50/326,701.50 = 326,701.50/x
  3. Step 3: Cross multiply
    155,518.50x = 326,701.50 × 326,701.50
  4. Step 4: Simplify right side
    155,518.50x = 106,733,870,102.25
  5. Step 5: Solve for x
    x = 106,733,870,102.25/155,518.50
  6. Step 6: Final answer
    x = 686,309.80

Related Problems

Find third proportional to 77,759.25 and 163,350.75
Half scale
Find third proportional to 311,037 and 653,403
Double scale
Find third proportional to 155,521 and 326,706
Similar ratio
Find third proportional to 233,277.75 and 490,052.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.