Home / 254,718-392,769

Finding the Third Proportional to 254,718 and 392,769

Calculator

Solution

The third proportional to 254,718 and 392,769 is: 605,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,718 : 392,769 = 392,769 : x
  2. Step 2: Convert to fraction form
    254,718/392,769 = 392,769/x
  3. Step 3: Cross multiply
    254,718x = 392,769 × 392,769
  4. Step 4: Simplify right side
    254,718x = 154,267,487,361
  5. Step 5: Solve for x
    x = 154,267,487,361/254,718
  6. Step 6: Final answer
    x = 605,640.31

Related Problems

Find third proportional to 127,359 and 196,384.50
Half scale
Find third proportional to 509,436 and 785,538
Double scale
Find third proportional to 254,720 and 392,772
Similar ratio
Find third proportional to 382,077 and 589,153.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.