Home / 257,230-553,967

Finding the Third Proportional to 257,230 and 553,967

Calculator

Solution

The third proportional to 257,230 and 553,967 is: 1,193,015.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,230 : 553,967 = 553,967 : x
  2. Step 2: Convert to fraction form
    257,230/553,967 = 553,967/x
  3. Step 3: Cross multiply
    257,230x = 553,967 × 553,967
  4. Step 4: Simplify right side
    257,230x = 306,879,437,089
  5. Step 5: Solve for x
    x = 306,879,437,089/257,230
  6. Step 6: Final answer
    x = 1,193,015.73

Related Problems

Find third proportional to 128,615 and 276,983.50
Half scale
Find third proportional to 514,460 and 1,107,934
Double scale
Find third proportional to 257,232 and 553,971
Similar ratio
Find third proportional to 385,845 and 830,950.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.