Home / 972,070-2,121,015

Finding the Third Proportional to 972,070 and 2,121,015

Calculator

Solution

The third proportional to 972,070 and 2,121,015 is: 4,627,963.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,070 : 2,121,015 = 2,121,015 : x
  2. Step 2: Convert to fraction form
    972,070/2,121,015 = 2,121,015/x
  3. Step 3: Cross multiply
    972,070x = 2,121,015 × 2,121,015
  4. Step 4: Simplify right side
    972,070x = 4,498,704,630,225
  5. Step 5: Solve for x
    x = 4,498,704,630,225/972,070
  6. Step 6: Final answer
    x = 4,627,963.66

Related Problems

Find third proportional to 486,035 and 1,060,507.50
Half scale
Find third proportional to 1,944,140 and 4,242,030
Double scale
Find third proportional to 972,072 and 2,121,019
Similar ratio
Find third proportional to 1,458,105 and 3,181,522.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.