Home / 788.38-1,680.06

Finding the Third Proportional to 788.38 and 1,680.06

Calculator

Solution

The third proportional to 788.38 and 1,680.06 is: 3,580.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    788.38 : 1,680.06 = 1,680.06 : x
  2. Step 2: Convert to fraction form
    788.38/1,680.06 = 1,680.06/x
  3. Step 3: Cross multiply
    788.38x = 1,680.06 × 1,680.06
  4. Step 4: Simplify right side
    788.38x = 2,822,610.00
  5. Step 5: Solve for x
    x = 2,822,610.00/788.38
  6. Step 6: Final answer
    x = 3,580.29

Related Problems

Find third proportional to 394.19 and 840.03
Half scale
Find third proportional to 1,576.75 and 3,360.13
Double scale
Find third proportional to 790 and 1,684
Similar ratio
Find third proportional to 1,182.56 and 2,520.09
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.