Home / 356,842-769,388

Finding the Third Proportional to 356,842 and 769,388

Calculator

Solution

The third proportional to 356,842 and 769,388 is: 1,658,879.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,842 : 769,388 = 769,388 : x
  2. Step 2: Convert to fraction form
    356,842/769,388 = 769,388/x
  3. Step 3: Cross multiply
    356,842x = 769,388 × 769,388
  4. Step 4: Simplify right side
    356,842x = 591,957,894,544
  5. Step 5: Solve for x
    x = 591,957,894,544/356,842
  6. Step 6: Final answer
    x = 1,658,879.54

Related Problems

Find third proportional to 178,421 and 384,694
Half scale
Find third proportional to 713,684 and 1,538,776
Double scale
Find third proportional to 356,844 and 769,392
Similar ratio
Find third proportional to 535,263 and 1,154,082
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.