Home / 170,269-256,699

Finding the Third Proportional to 170,269 and 256,699

Calculator

Solution

The third proportional to 170,269 and 256,699 is: 387,001.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,269 : 256,699 = 256,699 : x
  2. Step 2: Convert to fraction form
    170,269/256,699 = 256,699/x
  3. Step 3: Cross multiply
    170,269x = 256,699 × 256,699
  4. Step 4: Simplify right side
    170,269x = 65,894,376,601
  5. Step 5: Solve for x
    x = 65,894,376,601/170,269
  6. Step 6: Final answer
    x = 387,001.61

Related Problems

Find third proportional to 85,134.50 and 128,349.50
Half scale
Find third proportional to 340,538 and 513,398
Double scale
Find third proportional to 170,271 and 256,702
Similar ratio
Find third proportional to 255,403.50 and 385,048.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.