Home / 297,938-645,904

Finding the Third Proportional to 297,938 and 645,904

Calculator

Solution

The third proportional to 297,938 and 645,904 is: 1,400,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,938 : 645,904 = 645,904 : x
  2. Step 2: Convert to fraction form
    297,938/645,904 = 645,904/x
  3. Step 3: Cross multiply
    297,938x = 645,904 × 645,904
  4. Step 4: Simplify right side
    297,938x = 417,191,977,216
  5. Step 5: Solve for x
    x = 417,191,977,216/297,938
  6. Step 6: Final answer
    x = 1,400,264.41

Related Problems

Find third proportional to 148,969 and 322,952
Half scale
Find third proportional to 595,876 and 1,291,808
Double scale
Find third proportional to 297,940 and 645,908
Similar ratio
Find third proportional to 446,907 and 968,856
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.