Home / 280,304-630,776

Finding the Third Proportional to 280,304 and 630,776

Calculator

Solution

The third proportional to 280,304 and 630,776 is: 1,419,453.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,304 : 630,776 = 630,776 : x
  2. Step 2: Convert to fraction form
    280,304/630,776 = 630,776/x
  3. Step 3: Cross multiply
    280,304x = 630,776 × 630,776
  4. Step 4: Simplify right side
    280,304x = 397,878,362,176
  5. Step 5: Solve for x
    x = 397,878,362,176/280,304
  6. Step 6: Final answer
    x = 1,419,453.03

Related Problems

Find third proportional to 140,152 and 315,388
Half scale
Find third proportional to 560,608 and 1,261,552
Double scale
Find third proportional to 280,306 and 630,781
Similar ratio
Find third proportional to 420,456 and 946,164
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.