Home / 214,909-276,618

Finding the Third Proportional to 214,909 and 276,618

Calculator

Solution

The third proportional to 214,909 and 276,618 is: 356,046.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,909 : 276,618 = 276,618 : x
  2. Step 2: Convert to fraction form
    214,909/276,618 = 276,618/x
  3. Step 3: Cross multiply
    214,909x = 276,618 × 276,618
  4. Step 4: Simplify right side
    214,909x = 76,517,517,924
  5. Step 5: Solve for x
    x = 76,517,517,924/214,909
  6. Step 6: Final answer
    x = 356,046.13

Related Problems

Find third proportional to 107,454.50 and 138,309
Half scale
Find third proportional to 429,818 and 553,236
Double scale
Find third proportional to 214,911 and 276,621
Similar ratio
Find third proportional to 322,363.50 and 414,927
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.