Home / 290,353.50-625,207.50

Finding the Third Proportional to 290,353.50 and 625,207.50

Calculator

Solution

The third proportional to 290,353.50 and 625,207.50 is: 1,346,236.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,353.50 : 625,207.50 = 625,207.50 : x
  2. Step 2: Convert to fraction form
    290,353.50/625,207.50 = 625,207.50/x
  3. Step 3: Cross multiply
    290,353.50x = 625,207.50 × 625,207.50
  4. Step 4: Simplify right side
    290,353.50x = 390,884,418,056.25
  5. Step 5: Solve for x
    x = 390,884,418,056.25/290,353.50
  6. Step 6: Final answer
    x = 1,346,236.29

Related Problems

Find third proportional to 145,176.75 and 312,603.75
Half scale
Find third proportional to 580,707 and 1,250,415
Double scale
Find third proportional to 290,356 and 625,212
Similar ratio
Find third proportional to 435,530.25 and 937,811.25
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.