Home / 154,869-319,686

Finding the Third Proportional to 154,869 and 319,686

Calculator

Solution

The third proportional to 154,869 and 319,686 is: 659,907.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,869 : 319,686 = 319,686 : x
  2. Step 2: Convert to fraction form
    154,869/319,686 = 319,686/x
  3. Step 3: Cross multiply
    154,869x = 319,686 × 319,686
  4. Step 4: Simplify right side
    154,869x = 102,199,138,596
  5. Step 5: Solve for x
    x = 102,199,138,596/154,869
  6. Step 6: Final answer
    x = 659,907.01

Related Problems

Find third proportional to 77,434.50 and 159,843
Half scale
Find third proportional to 309,738 and 639,372
Double scale
Find third proportional to 154,871 and 319,690
Similar ratio
Find third proportional to 232,303.50 and 479,529
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.