Home / 204,534-287,118

Finding the Third Proportional to 204,534 and 287,118

Calculator

Solution

The third proportional to 204,534 and 287,118 is: 403,046.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,534 : 287,118 = 287,118 : x
  2. Step 2: Convert to fraction form
    204,534/287,118 = 287,118/x
  3. Step 3: Cross multiply
    204,534x = 287,118 × 287,118
  4. Step 4: Simplify right side
    204,534x = 82,436,745,924
  5. Step 5: Solve for x
    x = 82,436,745,924/204,534
  6. Step 6: Final answer
    x = 403,046.66

Related Problems

Find third proportional to 102,267 and 143,559
Half scale
Find third proportional to 409,068 and 574,236
Double scale
Find third proportional to 204,536 and 287,121
Similar ratio
Find third proportional to 306,801 and 430,677
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.