Home / 215,795-326,691

Finding the Third Proportional to 215,795 and 326,691

Calculator

Solution

The third proportional to 215,795 and 326,691 is: 494,575.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,795 : 326,691 = 326,691 : x
  2. Step 2: Convert to fraction form
    215,795/326,691 = 326,691/x
  3. Step 3: Cross multiply
    215,795x = 326,691 × 326,691
  4. Step 4: Simplify right side
    215,795x = 106,727,009,481
  5. Step 5: Solve for x
    x = 106,727,009,481/215,795
  6. Step 6: Final answer
    x = 494,575.91

Related Problems

Find third proportional to 107,897.50 and 163,345.50
Half scale
Find third proportional to 431,590 and 653,382
Double scale
Find third proportional to 215,797 and 326,694
Similar ratio
Find third proportional to 323,692.50 and 490,036.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.