Home / 406,248-880,290

Finding the Third Proportional to 406,248 and 880,290

Calculator

Solution

The third proportional to 406,248 and 880,290 is: 1,907,481.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,248 : 880,290 = 880,290 : x
  2. Step 2: Convert to fraction form
    406,248/880,290 = 880,290/x
  3. Step 3: Cross multiply
    406,248x = 880,290 × 880,290
  4. Step 4: Simplify right side
    406,248x = 774,910,484,100
  5. Step 5: Solve for x
    x = 774,910,484,100/406,248
  6. Step 6: Final answer
    x = 1,907,481.35

Related Problems

Find third proportional to 203,124 and 440,145
Half scale
Find third proportional to 812,496 and 1,760,580
Double scale
Find third proportional to 406,250 and 880,294
Similar ratio
Find third proportional to 609,372 and 1,320,435
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.