Home / 458,090-685,029

Finding the Third Proportional to 458,090 and 685,029

Calculator

Solution

The third proportional to 458,090 and 685,029 is: 1,024,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,090 : 685,029 = 685,029 : x
  2. Step 2: Convert to fraction form
    458,090/685,029 = 685,029/x
  3. Step 3: Cross multiply
    458,090x = 685,029 × 685,029
  4. Step 4: Simplify right side
    458,090x = 469,264,730,841
  5. Step 5: Solve for x
    x = 469,264,730,841/458,090
  6. Step 6: Final answer
    x = 1,024,394.18

Related Problems

Find third proportional to 229,045 and 342,514.50
Half scale
Find third proportional to 916,180 and 1,370,058
Double scale
Find third proportional to 458,092 and 685,032
Similar ratio
Find third proportional to 687,135 and 1,027,543.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.