Home / 760.50-831

Finding the Third Proportional to 760.50 and 831

Calculator

Solution

The third proportional to 760.50 and 831 is: 908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    760.50 : 831 = 831 : x
  2. Step 2: Convert to fraction form
    760.50/831 = 831/x
  3. Step 3: Cross multiply
    760.50x = 831 × 831
  4. Step 4: Simplify right side
    760.50x = 690,561
  5. Step 5: Solve for x
    x = 690,561/760.50
  6. Step 6: Final answer
    x = 908.04

Related Problems

Find third proportional to 380.25 and 415.50
Half scale
Find third proportional to 1,521 and 1,662
Double scale
Find third proportional to 763 and 833
Similar ratio
Find third proportional to 1,140.75 and 1,246.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.