Home / 278,424-606,528

Finding the Third Proportional to 278,424 and 606,528

Calculator

Solution

The third proportional to 278,424 and 606,528 is: 1,321,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,424 : 606,528 = 606,528 : x
  2. Step 2: Convert to fraction form
    278,424/606,528 = 606,528/x
  3. Step 3: Cross multiply
    278,424x = 606,528 × 606,528
  4. Step 4: Simplify right side
    278,424x = 367,876,214,784
  5. Step 5: Solve for x
    x = 367,876,214,784/278,424
  6. Step 6: Final answer
    x = 1,321,280.55

Related Problems

Find third proportional to 139,212 and 303,264
Half scale
Find third proportional to 556,848 and 1,213,056
Double scale
Find third proportional to 278,426 and 606,532
Similar ratio
Find third proportional to 417,636 and 909,792
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.