Home / 180,123.75-391,959

Finding the Third Proportional to 180,123.75 and 391,959

Calculator

Solution

The third proportional to 180,123.75 and 391,959 is: 852,923.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,123.75 : 391,959 = 391,959 : x
  2. Step 2: Convert to fraction form
    180,123.75/391,959 = 391,959/x
  3. Step 3: Cross multiply
    180,123.75x = 391,959 × 391,959
  4. Step 4: Simplify right side
    180,123.75x = 153,631,857,681
  5. Step 5: Solve for x
    x = 153,631,857,681/180,123.75
  6. Step 6: Final answer
    x = 852,923.94

Related Problems

Find third proportional to 90,061.88 and 195,979.50
Half scale
Find third proportional to 360,247.50 and 783,918
Double scale
Find third proportional to 180,126 and 391,963
Similar ratio
Find third proportional to 270,185.63 and 587,938.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.