Home / 172,490-276,958

Finding the Third Proportional to 172,490 and 276,958

Calculator

Solution

The third proportional to 172,490 and 276,958 is: 444,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,490 : 276,958 = 276,958 : x
  2. Step 2: Convert to fraction form
    172,490/276,958 = 276,958/x
  3. Step 3: Cross multiply
    172,490x = 276,958 × 276,958
  4. Step 4: Simplify right side
    172,490x = 76,705,733,764
  5. Step 5: Solve for x
    x = 76,705,733,764/172,490
  6. Step 6: Final answer
    x = 444,696.70

Related Problems

Find third proportional to 86,245 and 138,479
Half scale
Find third proportional to 344,980 and 553,916
Double scale
Find third proportional to 172,492 and 276,961
Similar ratio
Find third proportional to 258,735 and 415,437
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.