Home / 130,840-201,354

Finding the Third Proportional to 130,840 and 201,354

Calculator

Solution

The third proportional to 130,840 and 201,354 is: 309,870.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,840 : 201,354 = 201,354 : x
  2. Step 2: Convert to fraction form
    130,840/201,354 = 201,354/x
  3. Step 3: Cross multiply
    130,840x = 201,354 × 201,354
  4. Step 4: Simplify right side
    130,840x = 40,543,433,316
  5. Step 5: Solve for x
    x = 40,543,433,316/130,840
  6. Step 6: Final answer
    x = 309,870.32

Related Problems

Find third proportional to 65,420 and 100,677
Half scale
Find third proportional to 261,680 and 402,708
Double scale
Find third proportional to 130,842 and 201,357
Similar ratio
Find third proportional to 196,260 and 302,031
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.