Home / 719.50-1,283

Finding the Third Proportional to 719.50 and 1,283

Calculator

Solution

The third proportional to 719.50 and 1,283 is: 2,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    719.50 : 1,283 = 1,283 : x
  2. Step 2: Convert to fraction form
    719.50/1,283 = 1,283/x
  3. Step 3: Cross multiply
    719.50x = 1,283 × 1,283
  4. Step 4: Simplify right side
    719.50x = 1,646,089
  5. Step 5: Solve for x
    x = 1,646,089/719.50
  6. Step 6: Final answer
    x = 2,287.82

Related Problems

Find third proportional to 359.75 and 641.50
Half scale
Find third proportional to 1,439 and 2,566
Double scale
Find third proportional to 722 and 1,287
Similar ratio
Find third proportional to 1,079.25 and 1,924.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.