Home / 802.50-864

Finding the Third Proportional to 802.50 and 864

Calculator

Solution

The third proportional to 802.50 and 864 is: 930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    802.50 : 864 = 864 : x
  2. Step 2: Convert to fraction form
    802.50/864 = 864/x
  3. Step 3: Cross multiply
    802.50x = 864 × 864
  4. Step 4: Simplify right side
    802.50x = 746,496
  5. Step 5: Solve for x
    x = 746,496/802.50
  6. Step 6: Final answer
    x = 930.21

Related Problems

Find third proportional to 401.25 and 432
Half scale
Find third proportional to 1,605 and 1,728
Double scale
Find third proportional to 805 and 866
Similar ratio
Find third proportional to 1,203.75 and 1,296
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.