Home / 423,616-876,608

Finding the Third Proportional to 423,616 and 876,608

Calculator

Solution

The third proportional to 423,616 and 876,608 is: 1,814,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,616 : 876,608 = 876,608 : x
  2. Step 2: Convert to fraction form
    423,616/876,608 = 876,608/x
  3. Step 3: Cross multiply
    423,616x = 876,608 × 876,608
  4. Step 4: Simplify right side
    423,616x = 768,441,585,664
  5. Step 5: Solve for x
    x = 768,441,585,664/423,616
  6. Step 6: Final answer
    x = 1,814,005.10

Related Problems

Find third proportional to 211,808 and 438,304
Half scale
Find third proportional to 847,232 and 1,753,216
Double scale
Find third proportional to 423,618 and 876,612
Similar ratio
Find third proportional to 635,424 and 1,314,912
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.