Home / 763.50-1,647.75

Finding the Third Proportional to 763.50 and 1,647.75

Calculator

Solution

The third proportional to 763.50 and 1,647.75 is: 3,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    763.50 : 1,647.75 = 1,647.75 : x
  2. Step 2: Convert to fraction form
    763.50/1,647.75 = 1,647.75/x
  3. Step 3: Cross multiply
    763.50x = 1,647.75 × 1,647.75
  4. Step 4: Simplify right side
    763.50x = 2,715,080.06
  5. Step 5: Solve for x
    x = 2,715,080.06/763.50
  6. Step 6: Final answer
    x = 3,556.10

Related Problems

Find third proportional to 381.75 and 823.88
Half scale
Find third proportional to 1,527 and 3,295.50
Double scale
Find third proportional to 766 and 1,652
Similar ratio
Find third proportional to 1,145.25 and 2,471.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.