Home / 872,634-1,280,214

Finding the Third Proportional to 872,634 and 1,280,214

Calculator

Solution

The third proportional to 872,634 and 1,280,214 is: 1,878,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,634 : 1,280,214 = 1,280,214 : x
  2. Step 2: Convert to fraction form
    872,634/1,280,214 = 1,280,214/x
  3. Step 3: Cross multiply
    872,634x = 1,280,214 × 1,280,214
  4. Step 4: Simplify right side
    872,634x = 1,638,947,885,796
  5. Step 5: Solve for x
    x = 1,638,947,885,796/872,634
  6. Step 6: Final answer
    x = 1,878,161.85

Related Problems

Find third proportional to 436,317 and 640,107
Half scale
Find third proportional to 1,745,268 and 2,560,428
Double scale
Find third proportional to 872,636 and 1,280,217
Similar ratio
Find third proportional to 1,308,951 and 1,920,321
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.