Home / 277,176-418,260

Finding the Third Proportional to 277,176 and 418,260

Calculator

Solution

The third proportional to 277,176 and 418,260 is: 631,156.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,176 : 418,260 = 418,260 : x
  2. Step 2: Convert to fraction form
    277,176/418,260 = 418,260/x
  3. Step 3: Cross multiply
    277,176x = 418,260 × 418,260
  4. Step 4: Simplify right side
    277,176x = 174,941,427,600
  5. Step 5: Solve for x
    x = 174,941,427,600/277,176
  6. Step 6: Final answer
    x = 631,156.48

Related Problems

Find third proportional to 138,588 and 209,130
Half scale
Find third proportional to 554,352 and 836,520
Double scale
Find third proportional to 277,178 and 418,263
Similar ratio
Find third proportional to 415,764 and 627,390
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.