Home / 420,176-604,020

Finding the Third Proportional to 420,176 and 604,020

Calculator

Solution

The third proportional to 420,176 and 604,020 is: 868,303.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,176 : 604,020 = 604,020 : x
  2. Step 2: Convert to fraction form
    420,176/604,020 = 604,020/x
  3. Step 3: Cross multiply
    420,176x = 604,020 × 604,020
  4. Step 4: Simplify right side
    420,176x = 364,840,160,400
  5. Step 5: Solve for x
    x = 364,840,160,400/420,176
  6. Step 6: Final answer
    x = 868,303.19

Related Problems

Find third proportional to 210,088 and 302,010
Half scale
Find third proportional to 840,352 and 1,208,040
Double scale
Find third proportional to 420,178 and 604,023
Similar ratio
Find third proportional to 630,264 and 906,030
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.