Home / 538,600-819,090

Finding the Third Proportional to 538,600 and 819,090

Calculator

Solution

The third proportional to 538,600 and 819,090 is: 1,245,652.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,600 : 819,090 = 819,090 : x
  2. Step 2: Convert to fraction form
    538,600/819,090 = 819,090/x
  3. Step 3: Cross multiply
    538,600x = 819,090 × 819,090
  4. Step 4: Simplify right side
    538,600x = 670,908,428,100
  5. Step 5: Solve for x
    x = 670,908,428,100/538,600
  6. Step 6: Final answer
    x = 1,245,652.48

Related Problems

Find third proportional to 269,300 and 409,545
Half scale
Find third proportional to 1,077,200 and 1,638,180
Double scale
Find third proportional to 538,602 and 819,093
Similar ratio
Find third proportional to 807,900 and 1,228,635
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.