Home / 498.75-918

Finding the Third Proportional to 498.75 and 918

Calculator

Solution

The third proportional to 498.75 and 918 is: 1,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    498.75 : 918 = 918 : x
  2. Step 2: Convert to fraction form
    498.75/918 = 918/x
  3. Step 3: Cross multiply
    498.75x = 918 × 918
  4. Step 4: Simplify right side
    498.75x = 842,724
  5. Step 5: Solve for x
    x = 842,724/498.75
  6. Step 6: Final answer
    x = 1,689.67

Related Problems

Find third proportional to 249.38 and 459
Half scale
Find third proportional to 997.50 and 1,836
Double scale
Find third proportional to 501 and 922
Similar ratio
Find third proportional to 748.13 and 1,377
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.