Home / 870,690-1,345,438.50

Finding the Third Proportional to 870,690 and 1,345,438.50

Calculator

Solution

The third proportional to 870,690 and 1,345,438.50 is: 2,079,046.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,690 : 1,345,438.50 = 1,345,438.50 : x
  2. Step 2: Convert to fraction form
    870,690/1,345,438.50 = 1,345,438.50/x
  3. Step 3: Cross multiply
    870,690x = 1,345,438.50 × 1,345,438.50
  4. Step 4: Simplify right side
    870,690x = 1,810,204,757,282.25
  5. Step 5: Solve for x
    x = 1,810,204,757,282.25/870,690
  6. Step 6: Final answer
    x = 2,079,046.22

Related Problems

Find third proportional to 435,345 and 672,719.25
Half scale
Find third proportional to 1,741,380 and 2,690,877
Double scale
Find third proportional to 870,692 and 1,345,442
Similar ratio
Find third proportional to 1,306,035 and 2,018,157.75
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.