Home / 56,811-84,123

Finding the Third Proportional to 56,811 and 84,123

Calculator

Solution

The third proportional to 56,811 and 84,123 is: 124,565.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,811 : 84,123 = 84,123 : x
  2. Step 2: Convert to fraction form
    56,811/84,123 = 84,123/x
  3. Step 3: Cross multiply
    56,811x = 84,123 × 84,123
  4. Step 4: Simplify right side
    56,811x = 7,076,679,129
  5. Step 5: Solve for x
    x = 7,076,679,129/56,811
  6. Step 6: Final answer
    x = 124,565.30

Related Problems

Find third proportional to 28,405.50 and 42,061.50
Half scale
Find third proportional to 113,622 and 168,246
Double scale
Find third proportional to 56,813 and 84,126
Similar ratio
Find third proportional to 85,216.50 and 126,184.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.