Home / 158,107-342,668

Finding the Third Proportional to 158,107 and 342,668

Calculator

Solution

The third proportional to 158,107 and 342,668 is: 742,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,107 : 342,668 = 342,668 : x
  2. Step 2: Convert to fraction form
    158,107/342,668 = 342,668/x
  3. Step 3: Cross multiply
    158,107x = 342,668 × 342,668
  4. Step 4: Simplify right side
    158,107x = 117,421,358,224
  5. Step 5: Solve for x
    x = 117,421,358,224/158,107
  6. Step 6: Final answer
    x = 742,670.21

Related Problems

Find third proportional to 79,053.50 and 171,334
Half scale
Find third proportional to 316,214 and 685,336
Double scale
Find third proportional to 158,109 and 342,672
Similar ratio
Find third proportional to 237,160.50 and 514,002
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.