Home / 317,960-673,816

Finding the Third Proportional to 317,960 and 673,816

Calculator

Solution

The third proportional to 317,960 and 673,816 is: 1,427,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,960 : 673,816 = 673,816 : x
  2. Step 2: Convert to fraction form
    317,960/673,816 = 673,816/x
  3. Step 3: Cross multiply
    317,960x = 673,816 × 673,816
  4. Step 4: Simplify right side
    317,960x = 454,028,001,856
  5. Step 5: Solve for x
    x = 454,028,001,856/317,960
  6. Step 6: Final answer
    x = 1,427,940.63

Related Problems

Find third proportional to 158,980 and 336,908
Half scale
Find third proportional to 635,920 and 1,347,632
Double scale
Find third proportional to 317,962 and 673,820
Similar ratio
Find third proportional to 476,940 and 1,010,724
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.