Home / 1,697-3,645.50

Finding the Third Proportional to 1,697 and 3,645.50

Calculator

Solution

The third proportional to 1,697 and 3,645.50 is: 7,831.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697 : 3,645.50 = 3,645.50 : x
  2. Step 2: Convert to fraction form
    1,697/3,645.50 = 3,645.50/x
  3. Step 3: Cross multiply
    1,697x = 3,645.50 × 3,645.50
  4. Step 4: Simplify right side
    1,697x = 13,289,670.25
  5. Step 5: Solve for x
    x = 13,289,670.25/1,697
  6. Step 6: Final answer
    x = 7,831.27

Related Problems

Find third proportional to 848.50 and 1,822.75
Half scale
Find third proportional to 3,394 and 7,291
Double scale
Find third proportional to 1,699 and 3,650
Similar ratio
Find third proportional to 2,545.50 and 5,468.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.