Home / 255,242-561,190

Finding the Third Proportional to 255,242 and 561,190

Calculator

Solution

The third proportional to 255,242 and 561,190 is: 1,233,865.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,242 : 561,190 = 561,190 : x
  2. Step 2: Convert to fraction form
    255,242/561,190 = 561,190/x
  3. Step 3: Cross multiply
    255,242x = 561,190 × 561,190
  4. Step 4: Simplify right side
    255,242x = 314,934,216,100
  5. Step 5: Solve for x
    x = 314,934,216,100/255,242
  6. Step 6: Final answer
    x = 1,233,865.18

Related Problems

Find third proportional to 127,621 and 280,595
Half scale
Find third proportional to 510,484 and 1,122,380
Double scale
Find third proportional to 255,244 and 561,194
Similar ratio
Find third proportional to 382,863 and 841,785
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.