Home / 420,650-912,652

Finding the Third Proportional to 420,650 and 912,652

Calculator

Solution

The third proportional to 420,650 and 912,652 is: 1,980,110.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,650 : 912,652 = 912,652 : x
  2. Step 2: Convert to fraction form
    420,650/912,652 = 912,652/x
  3. Step 3: Cross multiply
    420,650x = 912,652 × 912,652
  4. Step 4: Simplify right side
    420,650x = 832,933,673,104
  5. Step 5: Solve for x
    x = 832,933,673,104/420,650
  6. Step 6: Final answer
    x = 1,980,110.95

Related Problems

Find third proportional to 210,325 and 456,326
Half scale
Find third proportional to 841,300 and 1,825,304
Double scale
Find third proportional to 420,652 and 912,656
Similar ratio
Find third proportional to 630,975 and 1,368,978
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.