Home / 192,387-421,674

Finding the Third Proportional to 192,387 and 421,674

Calculator

Solution

The third proportional to 192,387 and 421,674 is: 924,225.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,387 : 421,674 = 421,674 : x
  2. Step 2: Convert to fraction form
    192,387/421,674 = 421,674/x
  3. Step 3: Cross multiply
    192,387x = 421,674 × 421,674
  4. Step 4: Simplify right side
    192,387x = 177,808,962,276
  5. Step 5: Solve for x
    x = 177,808,962,276/192,387
  6. Step 6: Final answer
    x = 924,225.45

Related Problems

Find third proportional to 96,193.50 and 210,837
Half scale
Find third proportional to 384,774 and 843,348
Double scale
Find third proportional to 192,389 and 421,678
Similar ratio
Find third proportional to 288,580.50 and 632,511
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.