Home / 608.50-877.50

Finding the Third Proportional to 608.50 and 877.50

Calculator

Solution

The third proportional to 608.50 and 877.50 is: 1,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.50 : 877.50 = 877.50 : x
  2. Step 2: Convert to fraction form
    608.50/877.50 = 877.50/x
  3. Step 3: Cross multiply
    608.50x = 877.50 × 877.50
  4. Step 4: Simplify right side
    608.50x = 770,006.25
  5. Step 5: Solve for x
    x = 770,006.25/608.50
  6. Step 6: Final answer
    x = 1,265.42

Related Problems

Find third proportional to 304.25 and 438.75
Half scale
Find third proportional to 1,217 and 1,755
Double scale
Find third proportional to 611 and 880
Similar ratio
Find third proportional to 912.75 and 1,316.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.