Home / 81,588-172,963.50

Finding the Third Proportional to 81,588 and 172,963.50

Calculator

Solution

The third proportional to 81,588 and 172,963.50 is: 366,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,588 : 172,963.50 = 172,963.50 : x
  2. Step 2: Convert to fraction form
    81,588/172,963.50 = 172,963.50/x
  3. Step 3: Cross multiply
    81,588x = 172,963.50 × 172,963.50
  4. Step 4: Simplify right side
    81,588x = 29,916,372,332.25
  5. Step 5: Solve for x
    x = 29,916,372,332.25/81,588
  6. Step 6: Final answer
    x = 366,676.13

Related Problems

Find third proportional to 40,794 and 86,481.75
Half scale
Find third proportional to 163,176 and 345,927
Double scale
Find third proportional to 81,590 and 172,968
Similar ratio
Find third proportional to 122,382 and 259,445.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.