Home / 278,549-606,991

Finding the Third Proportional to 278,549 and 606,991

Calculator

Solution

The third proportional to 278,549 and 606,991 is: 1,322,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,549 : 606,991 = 606,991 : x
  2. Step 2: Convert to fraction form
    278,549/606,991 = 606,991/x
  3. Step 3: Cross multiply
    278,549x = 606,991 × 606,991
  4. Step 4: Simplify right side
    278,549x = 368,438,074,081
  5. Step 5: Solve for x
    x = 368,438,074,081/278,549
  6. Step 6: Final answer
    x = 1,322,704.71

Related Problems

Find third proportional to 139,274.50 and 303,495.50
Half scale
Find third proportional to 557,098 and 1,213,982
Double scale
Find third proportional to 278,551 and 606,995
Similar ratio
Find third proportional to 417,823.50 and 910,486.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.