Home / 20,309-29,599.50

Finding the Third Proportional to 20,309 and 29,599.50

Calculator

Solution

The third proportional to 20,309 and 29,599.50 is: 43,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,309 : 29,599.50 = 29,599.50 : x
  2. Step 2: Convert to fraction form
    20,309/29,599.50 = 29,599.50/x
  3. Step 3: Cross multiply
    20,309x = 29,599.50 × 29,599.50
  4. Step 4: Simplify right side
    20,309x = 876,130,400.25
  5. Step 5: Solve for x
    x = 876,130,400.25/20,309
  6. Step 6: Final answer
    x = 43,140.01

Related Problems

Find third proportional to 10,154.50 and 14,799.75
Half scale
Find third proportional to 40,618 and 59,199
Double scale
Find third proportional to 20,311 and 29,602
Similar ratio
Find third proportional to 30,463.50 and 44,399.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.