Home / 737-787

Finding the Third Proportional to 737 and 787

Calculator

Solution

The third proportional to 737 and 787 is: 840.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    737 : 787 = 787 : x
  2. Step 2: Convert to fraction form
    737/787 = 787/x
  3. Step 3: Cross multiply
    737x = 787 × 787
  4. Step 4: Simplify right side
    737x = 619,369
  5. Step 5: Solve for x
    x = 619,369/737
  6. Step 6: Final answer
    x = 840.39

Related Problems

Find third proportional to 368.50 and 393.50
Half scale
Find third proportional to 1,474 and 1,574
Double scale
Find third proportional to 739 and 789
Similar ratio
Find third proportional to 1,105.50 and 1,180.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.