Home / 277,390-418,048

Finding the Third Proportional to 277,390 and 418,048

Calculator

Solution

The third proportional to 277,390 and 418,048 is: 630,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,390 : 418,048 = 418,048 : x
  2. Step 2: Convert to fraction form
    277,390/418,048 = 418,048/x
  3. Step 3: Cross multiply
    277,390x = 418,048 × 418,048
  4. Step 4: Simplify right side
    277,390x = 174,764,130,304
  5. Step 5: Solve for x
    x = 174,764,130,304/277,390
  6. Step 6: Final answer
    x = 630,030.39

Related Problems

Find third proportional to 138,695 and 209,024
Half scale
Find third proportional to 554,780 and 836,096
Double scale
Find third proportional to 277,392 and 418,051
Similar ratio
Find third proportional to 416,085 and 627,072
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.