Home / 916.50-1,381.50

Finding the Third Proportional to 916.50 and 1,381.50

Calculator

Solution

The third proportional to 916.50 and 1,381.50 is: 2,082.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    916.50 : 1,381.50 = 1,381.50 : x
  2. Step 2: Convert to fraction form
    916.50/1,381.50 = 1,381.50/x
  3. Step 3: Cross multiply
    916.50x = 1,381.50 × 1,381.50
  4. Step 4: Simplify right side
    916.50x = 1,908,542.25
  5. Step 5: Solve for x
    x = 1,908,542.25/916.50
  6. Step 6: Final answer
    x = 2,082.42

Related Problems

Find third proportional to 458.25 and 690.75
Half scale
Find third proportional to 1,833 and 2,763
Double scale
Find third proportional to 919 and 1,385
Similar ratio
Find third proportional to 1,374.75 and 2,072.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.