Home / 278,043-611,382

Finding the Third Proportional to 278,043 and 611,382

Calculator

Solution

The third proportional to 278,043 and 611,382 is: 1,344,353.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,043 : 611,382 = 611,382 : x
  2. Step 2: Convert to fraction form
    278,043/611,382 = 611,382/x
  3. Step 3: Cross multiply
    278,043x = 611,382 × 611,382
  4. Step 4: Simplify right side
    278,043x = 373,787,949,924
  5. Step 5: Solve for x
    x = 373,787,949,924/278,043
  6. Step 6: Final answer
    x = 1,344,353.03

Related Problems

Find third proportional to 139,021.50 and 305,691
Half scale
Find third proportional to 556,086 and 1,222,764
Double scale
Find third proportional to 278,045 and 611,386
Similar ratio
Find third proportional to 417,064.50 and 917,073
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.