Home / 269,774-578,908

Finding the Third Proportional to 269,774 and 578,908

Calculator

Solution

The third proportional to 269,774 and 578,908 is: 1,242,278.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,774 : 578,908 = 578,908 : x
  2. Step 2: Convert to fraction form
    269,774/578,908 = 578,908/x
  3. Step 3: Cross multiply
    269,774x = 578,908 × 578,908
  4. Step 4: Simplify right side
    269,774x = 335,134,472,464
  5. Step 5: Solve for x
    x = 335,134,472,464/269,774
  6. Step 6: Final answer
    x = 1,242,278.62

Related Problems

Find third proportional to 134,887 and 289,454
Half scale
Find third proportional to 539,548 and 1,157,816
Double scale
Find third proportional to 269,776 and 578,912
Similar ratio
Find third proportional to 404,661 and 868,362
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.