Home / 278,172-417,068

Finding the Third Proportional to 278,172 and 417,068

Calculator

Solution

The third proportional to 278,172 and 417,068 is: 625,317.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,172 : 417,068 = 417,068 : x
  2. Step 2: Convert to fraction form
    278,172/417,068 = 417,068/x
  3. Step 3: Cross multiply
    278,172x = 417,068 × 417,068
  4. Step 4: Simplify right side
    278,172x = 173,945,716,624
  5. Step 5: Solve for x
    x = 173,945,716,624/278,172
  6. Step 6: Final answer
    x = 625,317.13

Related Problems

Find third proportional to 139,086 and 208,534
Half scale
Find third proportional to 556,344 and 834,136
Double scale
Find third proportional to 278,174 and 417,071
Similar ratio
Find third proportional to 417,258 and 625,602
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.