Home / 193,706-421,722

Finding the Third Proportional to 193,706 and 421,722

Calculator

Solution

The third proportional to 193,706 and 421,722 is: 918,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,706 : 421,722 = 421,722 : x
  2. Step 2: Convert to fraction form
    193,706/421,722 = 421,722/x
  3. Step 3: Cross multiply
    193,706x = 421,722 × 421,722
  4. Step 4: Simplify right side
    193,706x = 177,849,445,284
  5. Step 5: Solve for x
    x = 177,849,445,284/193,706
  6. Step 6: Final answer
    x = 918,141.13

Related Problems

Find third proportional to 96,853 and 210,861
Half scale
Find third proportional to 387,412 and 843,444
Double scale
Find third proportional to 193,708 and 421,726
Similar ratio
Find third proportional to 290,559 and 632,583
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.