Home / 134,042-279,109

Finding the Third Proportional to 134,042 and 279,109

Calculator

Solution

The third proportional to 134,042 and 279,109 is: 581,174.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,042 : 279,109 = 279,109 : x
  2. Step 2: Convert to fraction form
    134,042/279,109 = 279,109/x
  3. Step 3: Cross multiply
    134,042x = 279,109 × 279,109
  4. Step 4: Simplify right side
    134,042x = 77,901,833,881
  5. Step 5: Solve for x
    x = 77,901,833,881/134,042
  6. Step 6: Final answer
    x = 581,174.81

Related Problems

Find third proportional to 67,021 and 139,554.50
Half scale
Find third proportional to 268,084 and 558,218
Double scale
Find third proportional to 134,044 and 279,113
Similar ratio
Find third proportional to 201,063 and 418,663.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.