Home / 308,110-666,764

Finding the Third Proportional to 308,110 and 666,764

Calculator

Solution

The third proportional to 308,110 and 666,764 is: 1,442,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,110 : 666,764 = 666,764 : x
  2. Step 2: Convert to fraction form
    308,110/666,764 = 666,764/x
  3. Step 3: Cross multiply
    308,110x = 666,764 × 666,764
  4. Step 4: Simplify right side
    308,110x = 444,574,231,696
  5. Step 5: Solve for x
    x = 444,574,231,696/308,110
  6. Step 6: Final answer
    x = 1,442,907.51

Related Problems

Find third proportional to 154,055 and 333,382
Half scale
Find third proportional to 616,220 and 1,333,528
Double scale
Find third proportional to 308,112 and 666,768
Similar ratio
Find third proportional to 462,165 and 1,000,146
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.