Home / 488,016-779,220

Finding the Third Proportional to 488,016 and 779,220

Calculator

Solution

The third proportional to 488,016 and 779,220 is: 1,244,188.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,016 : 779,220 = 779,220 : x
  2. Step 2: Convert to fraction form
    488,016/779,220 = 779,220/x
  3. Step 3: Cross multiply
    488,016x = 779,220 × 779,220
  4. Step 4: Simplify right side
    488,016x = 607,183,808,400
  5. Step 5: Solve for x
    x = 607,183,808,400/488,016
  6. Step 6: Final answer
    x = 1,244,188.32

Related Problems

Find third proportional to 244,008 and 389,610
Half scale
Find third proportional to 976,032 and 1,558,440
Double scale
Find third proportional to 488,018 and 779,223
Similar ratio
Find third proportional to 732,024 and 1,168,830
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.