Home / 407,564-898,072

Finding the Third Proportional to 407,564 and 898,072

Calculator

Solution

The third proportional to 407,564 and 898,072 is: 1,978,912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,564 : 898,072 = 898,072 : x
  2. Step 2: Convert to fraction form
    407,564/898,072 = 898,072/x
  3. Step 3: Cross multiply
    407,564x = 898,072 × 898,072
  4. Step 4: Simplify right side
    407,564x = 806,533,317,184
  5. Step 5: Solve for x
    x = 806,533,317,184/407,564
  6. Step 6: Final answer
    x = 1,978,912.07

Related Problems

Find third proportional to 203,782 and 449,036
Half scale
Find third proportional to 815,128 and 1,796,144
Double scale
Find third proportional to 407,566 and 898,076
Similar ratio
Find third proportional to 611,346 and 1,347,108
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.