Home / 130,688-203,486

Finding the Third Proportional to 130,688 and 203,486

Calculator

Solution

The third proportional to 130,688 and 203,486 is: 316,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,688 : 203,486 = 203,486 : x
  2. Step 2: Convert to fraction form
    130,688/203,486 = 203,486/x
  3. Step 3: Cross multiply
    130,688x = 203,486 × 203,486
  4. Step 4: Simplify right side
    130,688x = 41,406,552,196
  5. Step 5: Solve for x
    x = 41,406,552,196/130,688
  6. Step 6: Final answer
    x = 316,835.15

Related Problems

Find third proportional to 65,344 and 101,743
Half scale
Find third proportional to 261,376 and 406,972
Double scale
Find third proportional to 130,690 and 203,489
Similar ratio
Find third proportional to 196,032 and 305,229
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.