Home / 407,816-898,576

Finding the Third Proportional to 407,816 and 898,576

Calculator

Solution

The third proportional to 407,816 and 898,576 is: 1,979,909.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,816 : 898,576 = 898,576 : x
  2. Step 2: Convert to fraction form
    407,816/898,576 = 898,576/x
  3. Step 3: Cross multiply
    407,816x = 898,576 × 898,576
  4. Step 4: Simplify right side
    407,816x = 807,438,827,776
  5. Step 5: Solve for x
    x = 807,438,827,776/407,816
  6. Step 6: Final answer
    x = 1,979,909.64

Related Problems

Find third proportional to 203,908 and 449,288
Half scale
Find third proportional to 815,632 and 1,797,152
Double scale
Find third proportional to 407,818 and 898,580
Similar ratio
Find third proportional to 611,724 and 1,347,864
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.