Home / 561,438-862,982

Finding the Third Proportional to 561,438 and 862,982

Calculator

Solution

The third proportional to 561,438 and 862,982 is: 1,326,482.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,438 : 862,982 = 862,982 : x
  2. Step 2: Convert to fraction form
    561,438/862,982 = 862,982/x
  3. Step 3: Cross multiply
    561,438x = 862,982 × 862,982
  4. Step 4: Simplify right side
    561,438x = 744,737,932,324
  5. Step 5: Solve for x
    x = 744,737,932,324/561,438
  6. Step 6: Final answer
    x = 1,326,482.95

Related Problems

Find third proportional to 280,719 and 431,491
Half scale
Find third proportional to 1,122,876 and 1,725,964
Double scale
Find third proportional to 561,440 and 862,985
Similar ratio
Find third proportional to 842,157 and 1,294,473
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.