Home / 79,386-169,689

Finding the Third Proportional to 79,386 and 169,689

Calculator

Solution

The third proportional to 79,386 and 169,689 is: 362,713.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,386 : 169,689 = 169,689 : x
  2. Step 2: Convert to fraction form
    79,386/169,689 = 169,689/x
  3. Step 3: Cross multiply
    79,386x = 169,689 × 169,689
  4. Step 4: Simplify right side
    79,386x = 28,794,356,721
  5. Step 5: Solve for x
    x = 28,794,356,721/79,386
  6. Step 6: Final answer
    x = 362,713.28

Related Problems

Find third proportional to 39,693 and 84,844.50
Half scale
Find third proportional to 158,772 and 339,378
Double scale
Find third proportional to 79,388 and 169,693
Similar ratio
Find third proportional to 119,079 and 254,533.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.