Home / 345,872-757,356

Finding the Third Proportional to 345,872 and 757,356

Calculator

Solution

The third proportional to 345,872 and 757,356 is: 1,658,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,872 : 757,356 = 757,356 : x
  2. Step 2: Convert to fraction form
    345,872/757,356 = 757,356/x
  3. Step 3: Cross multiply
    345,872x = 757,356 × 757,356
  4. Step 4: Simplify right side
    345,872x = 573,588,110,736
  5. Step 5: Solve for x
    x = 573,588,110,736/345,872
  6. Step 6: Final answer
    x = 1,658,382.61

Related Problems

Find third proportional to 172,936 and 378,678
Half scale
Find third proportional to 691,744 and 1,514,712
Double scale
Find third proportional to 345,874 and 757,360
Similar ratio
Find third proportional to 518,808 and 1,136,034
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.