Home / 9,240-13,657.50

Finding the Third Proportional to 9,240 and 13,657.50

Calculator

Solution

The third proportional to 9,240 and 13,657.50 is: 20,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240 : 13,657.50 = 13,657.50 : x
  2. Step 2: Convert to fraction form
    9,240/13,657.50 = 13,657.50/x
  3. Step 3: Cross multiply
    9,240x = 13,657.50 × 13,657.50
  4. Step 4: Simplify right side
    9,240x = 186,527,306.25
  5. Step 5: Solve for x
    x = 186,527,306.25/9,240
  6. Step 6: Final answer
    x = 20,186.94

Related Problems

Find third proportional to 4,620 and 6,828.75
Half scale
Find third proportional to 18,480 and 27,315
Double scale
Find third proportional to 9,242 and 13,660
Similar ratio
Find third proportional to 13,860 and 20,486.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.