Home / 990,710-2,171,276

Finding the Third Proportional to 990,710 and 2,171,276

Calculator

Solution

The third proportional to 990,710 and 2,171,276 is: 4,758,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,710 : 2,171,276 = 2,171,276 : x
  2. Step 2: Convert to fraction form
    990,710/2,171,276 = 2,171,276/x
  3. Step 3: Cross multiply
    990,710x = 2,171,276 × 2,171,276
  4. Step 4: Simplify right side
    990,710x = 4,714,439,468,176
  5. Step 5: Solve for x
    x = 4,714,439,468,176/990,710
  6. Step 6: Final answer
    x = 4,758,647.30

Related Problems

Find third proportional to 495,355 and 1,085,638
Half scale
Find third proportional to 1,981,420 and 4,342,552
Double scale
Find third proportional to 990,712 and 2,171,280
Similar ratio
Find third proportional to 1,486,065 and 3,256,914
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.