Home / 281,500-618,296

Finding the Third Proportional to 281,500 and 618,296

Calculator

Solution

The third proportional to 281,500 and 618,296 is: 1,358,045.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,500 : 618,296 = 618,296 : x
  2. Step 2: Convert to fraction form
    281,500/618,296 = 618,296/x
  3. Step 3: Cross multiply
    281,500x = 618,296 × 618,296
  4. Step 4: Simplify right side
    281,500x = 382,289,943,616
  5. Step 5: Solve for x
    x = 382,289,943,616/281,500
  6. Step 6: Final answer
    x = 1,358,045.98

Related Problems

Find third proportional to 140,750 and 309,148
Half scale
Find third proportional to 563,000 and 1,236,592
Double scale
Find third proportional to 281,502 and 618,300
Similar ratio
Find third proportional to 422,250 and 927,444
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.