Home / 170,230-269,426

Finding the Third Proportional to 170,230 and 269,426

Calculator

Solution

The third proportional to 170,230 and 269,426 is: 426,425.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,230 : 269,426 = 269,426 : x
  2. Step 2: Convert to fraction form
    170,230/269,426 = 269,426/x
  3. Step 3: Cross multiply
    170,230x = 269,426 × 269,426
  4. Step 4: Simplify right side
    170,230x = 72,590,369,476
  5. Step 5: Solve for x
    x = 72,590,369,476/170,230
  6. Step 6: Final answer
    x = 426,425.25

Related Problems

Find third proportional to 85,115 and 134,713
Half scale
Find third proportional to 340,460 and 538,852
Double scale
Find third proportional to 170,232 and 269,429
Similar ratio
Find third proportional to 255,345 and 404,139
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.