Home / 420,854-902,008

Finding the Third Proportional to 420,854 and 902,008

Calculator

Solution

The third proportional to 420,854 and 902,008 is: 1,933,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,854 : 902,008 = 902,008 : x
  2. Step 2: Convert to fraction form
    420,854/902,008 = 902,008/x
  3. Step 3: Cross multiply
    420,854x = 902,008 × 902,008
  4. Step 4: Simplify right side
    420,854x = 813,618,432,064
  5. Step 5: Solve for x
    x = 813,618,432,064/420,854
  6. Step 6: Final answer
    x = 1,933,255.79

Related Problems

Find third proportional to 210,427 and 451,004
Half scale
Find third proportional to 841,708 and 1,804,016
Double scale
Find third proportional to 420,856 and 902,012
Similar ratio
Find third proportional to 631,281 and 1,353,012
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.