Home / 109,210-238,623

Finding the Third Proportional to 109,210 and 238,623

Calculator

Solution

The third proportional to 109,210 and 238,623 is: 521,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,210 : 238,623 = 238,623 : x
  2. Step 2: Convert to fraction form
    109,210/238,623 = 238,623/x
  3. Step 3: Cross multiply
    109,210x = 238,623 × 238,623
  4. Step 4: Simplify right side
    109,210x = 56,940,936,129
  5. Step 5: Solve for x
    x = 56,940,936,129/109,210
  6. Step 6: Final answer
    x = 521,389.40

Related Problems

Find third proportional to 54,605 and 119,311.50
Half scale
Find third proportional to 218,420 and 477,246
Double scale
Find third proportional to 109,212 and 238,627
Similar ratio
Find third proportional to 163,815 and 357,934.50
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.