Home / 172,059.19-261,004.78

Finding the Third Proportional to 172,059.19 and 261,004.78

Calculator

Solution

The third proportional to 172,059.19 and 261,004.78 is: 395,930.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,059.19 : 261,004.78 = 261,004.78 : x
  2. Step 2: Convert to fraction form
    172,059.19/261,004.78 = 261,004.78/x
  3. Step 3: Cross multiply
    172,059.19x = 261,004.78 × 261,004.78
  4. Step 4: Simplify right side
    172,059.19x = 68,123,495,835.36
  5. Step 5: Solve for x
    x = 68,123,495,835.36/172,059.19
  6. Step 6: Final answer
    x = 395,930.59

Related Problems

Find third proportional to 86,029.59 and 130,502.39
Half scale
Find third proportional to 344,118.38 and 522,009.56
Double scale
Find third proportional to 172,061 and 261,008
Similar ratio
Find third proportional to 258,088.78 and 391,507.17
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.