Home / 7,728,016-11,355,720

Finding the Third Proportional to 7,728,016 and 11,355,720

Calculator

Solution

The third proportional to 7,728,016 and 11,355,720 is: 16,686,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728,016 : 11,355,720 = 11,355,720 : x
  2. Step 2: Convert to fraction form
    7,728,016/11,355,720 = 11,355,720/x
  3. Step 3: Cross multiply
    7,728,016x = 11,355,720 × 11,355,720
  4. Step 4: Simplify right side
    7,728,016x = 128,952,376,718,400
  5. Step 5: Solve for x
    x = 128,952,376,718,400/7,728,016
  6. Step 6: Final answer
    x = 16,686,349.60

Related Problems

Find third proportional to 3,864,008 and 5,677,860
Half scale
Find third proportional to 15,456,032 and 22,711,440
Double scale
Find third proportional to 7,728,018 and 11,355,723
Similar ratio
Find third proportional to 11,592,024 and 17,033,580
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.