Home / 163,215-356,319

Finding the Third Proportional to 163,215 and 356,319

Calculator

Solution

The third proportional to 163,215 and 356,319 is: 777,889.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,215 : 356,319 = 356,319 : x
  2. Step 2: Convert to fraction form
    163,215/356,319 = 356,319/x
  3. Step 3: Cross multiply
    163,215x = 356,319 × 356,319
  4. Step 4: Simplify right side
    163,215x = 126,963,229,761
  5. Step 5: Solve for x
    x = 126,963,229,761/163,215
  6. Step 6: Final answer
    x = 777,889.47

Related Problems

Find third proportional to 81,607.50 and 178,159.50
Half scale
Find third proportional to 326,430 and 712,638
Double scale
Find third proportional to 163,217 and 356,323
Similar ratio
Find third proportional to 244,822.50 and 534,478.50
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.