Home / 149,846-318,764

Finding the Third Proportional to 149,846 and 318,764

Calculator

Solution

The third proportional to 149,846 and 318,764 is: 678,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,846 : 318,764 = 318,764 : x
  2. Step 2: Convert to fraction form
    149,846/318,764 = 318,764/x
  3. Step 3: Cross multiply
    149,846x = 318,764 × 318,764
  4. Step 4: Simplify right side
    149,846x = 101,610,487,696
  5. Step 5: Solve for x
    x = 101,610,487,696/149,846
  6. Step 6: Final answer
    x = 678,099.43

Related Problems

Find third proportional to 74,923 and 159,382
Half scale
Find third proportional to 299,692 and 637,528
Double scale
Find third proportional to 149,848 and 318,768
Similar ratio
Find third proportional to 224,769 and 478,146
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.