Home / 38,784-86,160

Finding the Third Proportional to 38,784 and 86,160

Calculator

Solution

The third proportional to 38,784 and 86,160 is: 191,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,784 : 86,160 = 86,160 : x
  2. Step 2: Convert to fraction form
    38,784/86,160 = 86,160/x
  3. Step 3: Cross multiply
    38,784x = 86,160 × 86,160
  4. Step 4: Simplify right side
    38,784x = 7,423,545,600
  5. Step 5: Solve for x
    x = 7,423,545,600/38,784
  6. Step 6: Final answer
    x = 191,407.43

Related Problems

Find third proportional to 19,392 and 43,080
Half scale
Find third proportional to 77,568 and 172,320
Double scale
Find third proportional to 38,786 and 86,164
Similar ratio
Find third proportional to 58,176 and 129,240
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.