Home / 98,708-140,678

Finding the Third Proportional to 98,708 and 140,678

Calculator

Solution

The third proportional to 98,708 and 140,678 is: 200,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,708 : 140,678 = 140,678 : x
  2. Step 2: Convert to fraction form
    98,708/140,678 = 140,678/x
  3. Step 3: Cross multiply
    98,708x = 140,678 × 140,678
  4. Step 4: Simplify right side
    98,708x = 19,790,299,684
  5. Step 5: Solve for x
    x = 19,790,299,684/98,708
  6. Step 6: Final answer
    x = 200,493.37

Related Problems

Find third proportional to 49,354 and 70,339
Half scale
Find third proportional to 197,416 and 281,356
Double scale
Find third proportional to 98,710 and 140,681
Similar ratio
Find third proportional to 148,062 and 211,017
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.