Home / 206,030-427,854

Finding the Third Proportional to 206,030 and 427,854

Calculator

Solution

The third proportional to 206,030 and 427,854 is: 888,506.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,030 : 427,854 = 427,854 : x
  2. Step 2: Convert to fraction form
    206,030/427,854 = 427,854/x
  3. Step 3: Cross multiply
    206,030x = 427,854 × 427,854
  4. Step 4: Simplify right side
    206,030x = 183,059,045,316
  5. Step 5: Solve for x
    x = 183,059,045,316/206,030
  6. Step 6: Final answer
    x = 888,506.75

Related Problems

Find third proportional to 103,015 and 213,927
Half scale
Find third proportional to 412,060 and 855,708
Double scale
Find third proportional to 206,032 and 427,858
Similar ratio
Find third proportional to 309,045 and 641,781
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.