Home / 417,657-636,277

Finding the Third Proportional to 417,657 and 636,277

Calculator

Solution

The third proportional to 417,657 and 636,277 is: 969,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,657 : 636,277 = 636,277 : x
  2. Step 2: Convert to fraction form
    417,657/636,277 = 636,277/x
  3. Step 3: Cross multiply
    417,657x = 636,277 × 636,277
  4. Step 4: Simplify right side
    417,657x = 404,848,420,729
  5. Step 5: Solve for x
    x = 404,848,420,729/417,657
  6. Step 6: Final answer
    x = 969,332.30

Related Problems

Find third proportional to 208,828.50 and 318,138.50
Half scale
Find third proportional to 835,314 and 1,272,554
Double scale
Find third proportional to 417,659 and 636,280
Similar ratio
Find third proportional to 626,485.50 and 954,415.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.