Home / 431,974-608,047

Finding the Third Proportional to 431,974 and 608,047

Calculator

Solution

The third proportional to 431,974 and 608,047 is: 855,887.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,974 : 608,047 = 608,047 : x
  2. Step 2: Convert to fraction form
    431,974/608,047 = 608,047/x
  3. Step 3: Cross multiply
    431,974x = 608,047 × 608,047
  4. Step 4: Simplify right side
    431,974x = 369,721,154,209
  5. Step 5: Solve for x
    x = 369,721,154,209/431,974
  6. Step 6: Final answer
    x = 855,887.52

Related Problems

Find third proportional to 215,987 and 304,023.50
Half scale
Find third proportional to 863,948 and 1,216,094
Double scale
Find third proportional to 431,976 and 608,050
Similar ratio
Find third proportional to 647,961 and 912,070.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.