Home / 282,404-620,781

Finding the Third Proportional to 282,404 and 620,781

Calculator

Solution

The third proportional to 282,404 and 620,781 is: 1,364,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,404 : 620,781 = 620,781 : x
  2. Step 2: Convert to fraction form
    282,404/620,781 = 620,781/x
  3. Step 3: Cross multiply
    282,404x = 620,781 × 620,781
  4. Step 4: Simplify right side
    282,404x = 385,369,049,961
  5. Step 5: Solve for x
    x = 385,369,049,961/282,404
  6. Step 6: Final answer
    x = 1,364,601.95

Related Problems

Find third proportional to 141,202 and 310,390.50
Half scale
Find third proportional to 564,808 and 1,241,562
Double scale
Find third proportional to 282,406 and 620,785
Similar ratio
Find third proportional to 423,606 and 931,171.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.