Home / 312,920-673,010

Finding the Third Proportional to 312,920 and 673,010

Calculator

Solution

The third proportional to 312,920 and 673,010 is: 1,447,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,920 : 673,010 = 673,010 : x
  2. Step 2: Convert to fraction form
    312,920/673,010 = 673,010/x
  3. Step 3: Cross multiply
    312,920x = 673,010 × 673,010
  4. Step 4: Simplify right side
    312,920x = 452,942,460,100
  5. Step 5: Solve for x
    x = 452,942,460,100/312,920
  6. Step 6: Final answer
    x = 1,447,470.47

Related Problems

Find third proportional to 156,460 and 336,505
Half scale
Find third proportional to 625,840 and 1,346,020
Double scale
Find third proportional to 312,922 and 673,014
Similar ratio
Find third proportional to 469,380 and 1,009,515
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.