Home / 747.50-1,657

Finding the Third Proportional to 747.50 and 1,657

Calculator

Solution

The third proportional to 747.50 and 1,657 is: 3,673.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    747.50 : 1,657 = 1,657 : x
  2. Step 2: Convert to fraction form
    747.50/1,657 = 1,657/x
  3. Step 3: Cross multiply
    747.50x = 1,657 × 1,657
  4. Step 4: Simplify right side
    747.50x = 2,745,649
  5. Step 5: Solve for x
    x = 2,745,649/747.50
  6. Step 6: Final answer
    x = 3,673.11

Related Problems

Find third proportional to 373.75 and 828.50
Half scale
Find third proportional to 1,495 and 3,314
Double scale
Find third proportional to 750 and 1,661
Similar ratio
Find third proportional to 1,121.25 and 2,485.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.