Home / 81,327.50-118,285.50

Finding the Third Proportional to 81,327.50 and 118,285.50

Calculator

Solution

The third proportional to 81,327.50 and 118,285.50 is: 172,038.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,327.50 : 118,285.50 = 118,285.50 : x
  2. Step 2: Convert to fraction form
    81,327.50/118,285.50 = 118,285.50/x
  3. Step 3: Cross multiply
    81,327.50x = 118,285.50 × 118,285.50
  4. Step 4: Simplify right side
    81,327.50x = 13,991,459,510.25
  5. Step 5: Solve for x
    x = 13,991,459,510.25/81,327.50
  6. Step 6: Final answer
    x = 172,038.48

Related Problems

Find third proportional to 40,663.75 and 59,142.75
Half scale
Find third proportional to 162,655 and 236,571
Double scale
Find third proportional to 81,330 and 118,288
Similar ratio
Find third proportional to 121,991.25 and 177,428.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.