Home / 56,758-81,618

Finding the Third Proportional to 56,758 and 81,618

Calculator

Solution

The third proportional to 56,758 and 81,618 is: 117,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,758 : 81,618 = 81,618 : x
  2. Step 2: Convert to fraction form
    56,758/81,618 = 81,618/x
  3. Step 3: Cross multiply
    56,758x = 81,618 × 81,618
  4. Step 4: Simplify right side
    56,758x = 6,661,497,924
  5. Step 5: Solve for x
    x = 6,661,497,924/56,758
  6. Step 6: Final answer
    x = 117,366.68

Related Problems

Find third proportional to 28,379 and 40,809
Half scale
Find third proportional to 113,516 and 163,236
Double scale
Find third proportional to 56,760 and 81,621
Similar ratio
Find third proportional to 85,137 and 122,427
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.