Home / 980,724-1,515,420

Finding the Third Proportional to 980,724 and 1,515,420

Calculator

Solution

The third proportional to 980,724 and 1,515,420 is: 2,341,635.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,724 : 1,515,420 = 1,515,420 : x
  2. Step 2: Convert to fraction form
    980,724/1,515,420 = 1,515,420/x
  3. Step 3: Cross multiply
    980,724x = 1,515,420 × 1,515,420
  4. Step 4: Simplify right side
    980,724x = 2,296,497,776,400
  5. Step 5: Solve for x
    x = 2,296,497,776,400/980,724
  6. Step 6: Final answer
    x = 2,341,635.14

Related Problems

Find third proportional to 490,362 and 757,710
Half scale
Find third proportional to 1,961,448 and 3,030,840
Double scale
Find third proportional to 980,726 and 1,515,423
Similar ratio
Find third proportional to 1,471,086 and 2,273,130
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.