Home / 172,888-266,710

Finding the Third Proportional to 172,888 and 266,710

Calculator

Solution

The third proportional to 172,888 and 266,710 is: 411,446.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,888 : 266,710 = 266,710 : x
  2. Step 2: Convert to fraction form
    172,888/266,710 = 266,710/x
  3. Step 3: Cross multiply
    172,888x = 266,710 × 266,710
  4. Step 4: Simplify right side
    172,888x = 71,134,224,100
  5. Step 5: Solve for x
    x = 71,134,224,100/172,888
  6. Step 6: Final answer
    x = 411,446.86

Related Problems

Find third proportional to 86,444 and 133,355
Half scale
Find third proportional to 345,776 and 533,420
Double scale
Find third proportional to 172,890 and 266,713
Similar ratio
Find third proportional to 259,332 and 400,065
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.