Home / 254,720-392,772

Finding the Third Proportional to 254,720 and 392,772

Calculator

Solution

The third proportional to 254,720 and 392,772 is: 605,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,720 : 392,772 = 392,772 : x
  2. Step 2: Convert to fraction form
    254,720/392,772 = 392,772/x
  3. Step 3: Cross multiply
    254,720x = 392,772 × 392,772
  4. Step 4: Simplify right side
    254,720x = 154,269,843,984
  5. Step 5: Solve for x
    x = 154,269,843,984/254,720
  6. Step 6: Final answer
    x = 605,644.80

Related Problems

Find third proportional to 127,360 and 196,386
Half scale
Find third proportional to 509,440 and 785,544
Double scale
Find third proportional to 254,722 and 392,775
Similar ratio
Find third proportional to 382,080 and 589,158
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.