Home / 121,176-248,382

Finding the Third Proportional to 121,176 and 248,382

Calculator

Solution

The third proportional to 121,176 and 248,382 is: 509,124.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,176 : 248,382 = 248,382 : x
  2. Step 2: Convert to fraction form
    121,176/248,382 = 248,382/x
  3. Step 3: Cross multiply
    121,176x = 248,382 × 248,382
  4. Step 4: Simplify right side
    121,176x = 61,693,617,924
  5. Step 5: Solve for x
    x = 61,693,617,924/121,176
  6. Step 6: Final answer
    x = 509,124.07

Related Problems

Find third proportional to 60,588 and 124,191
Half scale
Find third proportional to 242,352 and 496,764
Double scale
Find third proportional to 121,178 and 248,386
Similar ratio
Find third proportional to 181,764 and 372,573
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.