Home / 310,752-679,824

Finding the Third Proportional to 310,752 and 679,824

Calculator

Solution

The third proportional to 310,752 and 679,824 is: 1,487,233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,752 : 679,824 = 679,824 : x
  2. Step 2: Convert to fraction form
    310,752/679,824 = 679,824/x
  3. Step 3: Cross multiply
    310,752x = 679,824 × 679,824
  4. Step 4: Simplify right side
    310,752x = 462,160,670,976
  5. Step 5: Solve for x
    x = 462,160,670,976/310,752
  6. Step 6: Final answer
    x = 1,487,233.13

Related Problems

Find third proportional to 155,376 and 339,912
Half scale
Find third proportional to 621,504 and 1,359,648
Double scale
Find third proportional to 310,754 and 679,828
Similar ratio
Find third proportional to 466,128 and 1,019,736
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.