Home / 350,004-542,990

Finding the Third Proportional to 350,004 and 542,990

Calculator

Solution

The third proportional to 350,004 and 542,990 is: 842,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,004 : 542,990 = 542,990 : x
  2. Step 2: Convert to fraction form
    350,004/542,990 = 542,990/x
  3. Step 3: Cross multiply
    350,004x = 542,990 × 542,990
  4. Step 4: Simplify right side
    350,004x = 294,838,140,100
  5. Step 5: Solve for x
    x = 294,838,140,100/350,004
  6. Step 6: Final answer
    x = 842,385.06

Related Problems

Find third proportional to 175,002 and 271,495
Half scale
Find third proportional to 700,008 and 1,085,980
Double scale
Find third proportional to 350,006 and 542,993
Similar ratio
Find third proportional to 525,006 and 814,485
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.