Home / 310,082-667,492

Finding the Third Proportional to 310,082 and 667,492

Calculator

Solution

The third proportional to 310,082 and 667,492 is: 1,436,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,082 : 667,492 = 667,492 : x
  2. Step 2: Convert to fraction form
    310,082/667,492 = 667,492/x
  3. Step 3: Cross multiply
    310,082x = 667,492 × 667,492
  4. Step 4: Simplify right side
    310,082x = 445,545,570,064
  5. Step 5: Solve for x
    x = 445,545,570,064/310,082
  6. Step 6: Final answer
    x = 1,436,863.70

Related Problems

Find third proportional to 155,041 and 333,746
Half scale
Find third proportional to 620,164 and 1,334,984
Double scale
Find third proportional to 310,084 and 667,496
Similar ratio
Find third proportional to 465,123 and 1,001,238
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.