Home / 278,869-572,570

Finding the Third Proportional to 278,869 and 572,570

Calculator

Solution

The third proportional to 278,869 and 572,570 is: 1,175,592.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,869 : 572,570 = 572,570 : x
  2. Step 2: Convert to fraction form
    278,869/572,570 = 572,570/x
  3. Step 3: Cross multiply
    278,869x = 572,570 × 572,570
  4. Step 4: Simplify right side
    278,869x = 327,836,404,900
  5. Step 5: Solve for x
    x = 327,836,404,900/278,869
  6. Step 6: Final answer
    x = 1,175,592.86

Related Problems

Find third proportional to 139,434.50 and 286,285
Half scale
Find third proportional to 557,738 and 1,145,140
Double scale
Find third proportional to 278,871 and 572,574
Similar ratio
Find third proportional to 418,303.50 and 858,855
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.