Home / 642,974-1,374,526

Finding the Third Proportional to 642,974 and 1,374,526

Calculator

Solution

The third proportional to 642,974 and 1,374,526 is: 2,938,410.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,974 : 1,374,526 = 1,374,526 : x
  2. Step 2: Convert to fraction form
    642,974/1,374,526 = 1,374,526/x
  3. Step 3: Cross multiply
    642,974x = 1,374,526 × 1,374,526
  4. Step 4: Simplify right side
    642,974x = 1,889,321,724,676
  5. Step 5: Solve for x
    x = 1,889,321,724,676/642,974
  6. Step 6: Final answer
    x = 2,938,410.77

Related Problems

Find third proportional to 321,487 and 687,263
Half scale
Find third proportional to 1,285,948 and 2,749,052
Double scale
Find third proportional to 642,976 and 1,374,530
Similar ratio
Find third proportional to 964,461 and 2,061,789
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.