Home / 290,705-625,930

Finding the Third Proportional to 290,705 and 625,930

Calculator

Solution

The third proportional to 290,705 and 625,930 is: 1,347,718.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,705 : 625,930 = 625,930 : x
  2. Step 2: Convert to fraction form
    290,705/625,930 = 625,930/x
  3. Step 3: Cross multiply
    290,705x = 625,930 × 625,930
  4. Step 4: Simplify right side
    290,705x = 391,788,364,900
  5. Step 5: Solve for x
    x = 391,788,364,900/290,705
  6. Step 6: Final answer
    x = 1,347,718.01

Related Problems

Find third proportional to 145,352.50 and 312,965
Half scale
Find third proportional to 581,410 and 1,251,860
Double scale
Find third proportional to 290,707 and 625,934
Similar ratio
Find third proportional to 436,057.50 and 938,895
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.