Home / 138,106-297,948

Finding the Third Proportional to 138,106 and 297,948

Calculator

Solution

The third proportional to 138,106 and 297,948 is: 642,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,106 : 297,948 = 297,948 : x
  2. Step 2: Convert to fraction form
    138,106/297,948 = 297,948/x
  3. Step 3: Cross multiply
    138,106x = 297,948 × 297,948
  4. Step 4: Simplify right side
    138,106x = 88,773,010,704
  5. Step 5: Solve for x
    x = 88,773,010,704/138,106
  6. Step 6: Final answer
    x = 642,788.95

Related Problems

Find third proportional to 69,053 and 148,974
Half scale
Find third proportional to 276,212 and 595,896
Double scale
Find third proportional to 138,108 and 297,952
Similar ratio
Find third proportional to 207,159 and 446,922
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.