Home / 100,280-217,850.50

Finding the Third Proportional to 100,280 and 217,850.50

Calculator

Solution

The third proportional to 100,280 and 217,850.50 is: 473,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,280 : 217,850.50 = 217,850.50 : x
  2. Step 2: Convert to fraction form
    100,280/217,850.50 = 217,850.50/x
  3. Step 3: Cross multiply
    100,280x = 217,850.50 × 217,850.50
  4. Step 4: Simplify right side
    100,280x = 47,458,840,350.25
  5. Step 5: Solve for x
    x = 47,458,840,350.25/100,280
  6. Step 6: Final answer
    x = 473,263.27

Related Problems

Find third proportional to 50,140 and 108,925.25
Half scale
Find third proportional to 200,560 and 435,701
Double scale
Find third proportional to 100,282 and 217,855
Similar ratio
Find third proportional to 150,420 and 326,775.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.