Home / 276,732-417,642

Finding the Third Proportional to 276,732 and 417,642

Calculator

Solution

The third proportional to 276,732 and 417,642 is: 630,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,732 : 417,642 = 417,642 : x
  2. Step 2: Convert to fraction form
    276,732/417,642 = 417,642/x
  3. Step 3: Cross multiply
    276,732x = 417,642 × 417,642
  4. Step 4: Simplify right side
    276,732x = 174,424,840,164
  5. Step 5: Solve for x
    x = 174,424,840,164/276,732
  6. Step 6: Final answer
    x = 630,302.39

Related Problems

Find third proportional to 138,366 and 208,821
Half scale
Find third proportional to 553,464 and 835,284
Double scale
Find third proportional to 276,734 and 417,645
Similar ratio
Find third proportional to 415,098 and 626,463
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.