Home / 243,540-364,320

Finding the Third Proportional to 243,540 and 364,320

Calculator

Solution

The third proportional to 243,540 and 364,320 is: 544,999.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,540 : 364,320 = 364,320 : x
  2. Step 2: Convert to fraction form
    243,540/364,320 = 364,320/x
  3. Step 3: Cross multiply
    243,540x = 364,320 × 364,320
  4. Step 4: Simplify right side
    243,540x = 132,729,062,400
  5. Step 5: Solve for x
    x = 132,729,062,400/243,540
  6. Step 6: Final answer
    x = 544,999.02

Related Problems

Find third proportional to 121,770 and 182,160
Half scale
Find third proportional to 487,080 and 728,640
Double scale
Find third proportional to 243,542 and 364,323
Similar ratio
Find third proportional to 365,310 and 546,480
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.