Home / 276,727-417,630

Finding the Third Proportional to 276,727 and 417,630

Calculator

Solution

The third proportional to 276,727 and 417,630 is: 630,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,727 : 417,630 = 417,630 : x
  2. Step 2: Convert to fraction form
    276,727/417,630 = 417,630/x
  3. Step 3: Cross multiply
    276,727x = 417,630 × 417,630
  4. Step 4: Simplify right side
    276,727x = 174,414,816,900
  5. Step 5: Solve for x
    x = 174,414,816,900/276,727
  6. Step 6: Final answer
    x = 630,277.55

Related Problems

Find third proportional to 138,363.50 and 208,815
Half scale
Find third proportional to 553,454 and 835,260
Double scale
Find third proportional to 276,729 and 417,633
Similar ratio
Find third proportional to 415,090.50 and 626,445
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.