Home / 351,289-555,706

Finding the Third Proportional to 351,289 and 555,706

Calculator

Solution

The third proportional to 351,289 and 555,706 is: 879,074.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,289 : 555,706 = 555,706 : x
  2. Step 2: Convert to fraction form
    351,289/555,706 = 555,706/x
  3. Step 3: Cross multiply
    351,289x = 555,706 × 555,706
  4. Step 4: Simplify right side
    351,289x = 308,809,158,436
  5. Step 5: Solve for x
    x = 308,809,158,436/351,289
  6. Step 6: Final answer
    x = 879,074.38

Related Problems

Find third proportional to 175,644.50 and 277,853
Half scale
Find third proportional to 702,578 and 1,111,412
Double scale
Find third proportional to 351,291 and 555,709
Similar ratio
Find third proportional to 526,933.50 and 833,559
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.