Home / 163,418-386,386

Finding the Third Proportional to 163,418 and 386,386

Calculator

Solution

The third proportional to 163,418 and 386,386 is: 913,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,418 : 386,386 = 386,386 : x
  2. Step 2: Convert to fraction form
    163,418/386,386 = 386,386/x
  3. Step 3: Cross multiply
    163,418x = 386,386 × 386,386
  4. Step 4: Simplify right side
    163,418x = 149,294,140,996
  5. Step 5: Solve for x
    x = 149,294,140,996/163,418
  6. Step 6: Final answer
    x = 913,572.20

Related Problems

Find third proportional to 81,709 and 193,193
Half scale
Find third proportional to 326,836 and 772,772
Double scale
Find third proportional to 163,420 and 386,391
Similar ratio
Find third proportional to 245,127 and 579,579
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.