Home / 121,486-266,368

Finding the Third Proportional to 121,486 and 266,368

Calculator

Solution

The third proportional to 121,486 and 266,368 is: 584,033.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,486 : 266,368 = 266,368 : x
  2. Step 2: Convert to fraction form
    121,486/266,368 = 266,368/x
  3. Step 3: Cross multiply
    121,486x = 266,368 × 266,368
  4. Step 4: Simplify right side
    121,486x = 70,951,911,424
  5. Step 5: Solve for x
    x = 70,951,911,424/121,486
  6. Step 6: Final answer
    x = 584,033.65

Related Problems

Find third proportional to 60,743 and 133,184
Half scale
Find third proportional to 242,972 and 532,736
Double scale
Find third proportional to 121,488 and 266,372
Similar ratio
Find third proportional to 182,229 and 399,552
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.