Home / 261,780-542,988

Finding the Third Proportional to 261,780 and 542,988

Calculator

Solution

The third proportional to 261,780 and 542,988 is: 1,126,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,780 : 542,988 = 542,988 : x
  2. Step 2: Convert to fraction form
    261,780/542,988 = 542,988/x
  3. Step 3: Cross multiply
    261,780x = 542,988 × 542,988
  4. Step 4: Simplify right side
    261,780x = 294,835,968,144
  5. Step 5: Solve for x
    x = 294,835,968,144/261,780
  6. Step 6: Final answer
    x = 1,126,273.85

Related Problems

Find third proportional to 130,890 and 271,494
Half scale
Find third proportional to 523,560 and 1,085,976
Double scale
Find third proportional to 261,782 and 542,992
Similar ratio
Find third proportional to 392,670 and 814,482
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.