Home / 477,270-668,979

Finding the Third Proportional to 477,270 and 668,979

Calculator

Solution

The third proportional to 477,270 and 668,979 is: 937,693.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,270 : 668,979 = 668,979 : x
  2. Step 2: Convert to fraction form
    477,270/668,979 = 668,979/x
  3. Step 3: Cross multiply
    477,270x = 668,979 × 668,979
  4. Step 4: Simplify right side
    477,270x = 447,532,902,441
  5. Step 5: Solve for x
    x = 447,532,902,441/477,270
  6. Step 6: Final answer
    x = 937,693.34

Related Problems

Find third proportional to 238,635 and 334,489.50
Half scale
Find third proportional to 954,540 and 1,337,958
Double scale
Find third proportional to 477,272 and 668,982
Similar ratio
Find third proportional to 715,905 and 1,003,468.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.