Home / 118,313-255,386

Finding the Third Proportional to 118,313 and 255,386

Calculator

Solution

The third proportional to 118,313 and 255,386 is: 551,266.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,313 : 255,386 = 255,386 : x
  2. Step 2: Convert to fraction form
    118,313/255,386 = 255,386/x
  3. Step 3: Cross multiply
    118,313x = 255,386 × 255,386
  4. Step 4: Simplify right side
    118,313x = 65,222,008,996
  5. Step 5: Solve for x
    x = 65,222,008,996/118,313
  6. Step 6: Final answer
    x = 551,266.63

Related Problems

Find third proportional to 59,156.50 and 127,693
Half scale
Find third proportional to 236,626 and 510,772
Double scale
Find third proportional to 118,315 and 255,390
Similar ratio
Find third proportional to 177,469.50 and 383,079
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.