Home / 133,120-291,248

Finding the Third Proportional to 133,120 and 291,248

Calculator

Solution

The third proportional to 133,120 and 291,248 is: 637,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,120 : 291,248 = 291,248 : x
  2. Step 2: Convert to fraction form
    133,120/291,248 = 291,248/x
  3. Step 3: Cross multiply
    133,120x = 291,248 × 291,248
  4. Step 4: Simplify right side
    133,120x = 84,825,397,504
  5. Step 5: Solve for x
    x = 84,825,397,504/133,120
  6. Step 6: Final answer
    x = 637,210.02

Related Problems

Find third proportional to 66,560 and 145,624
Half scale
Find third proportional to 266,240 and 582,496
Double scale
Find third proportional to 133,122 and 291,252
Similar ratio
Find third proportional to 199,680 and 436,872
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.