Home / 258,548-539,236

Finding the Third Proportional to 258,548 and 539,236

Calculator

Solution

The third proportional to 258,548 and 539,236 is: 1,124,647.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,548 : 539,236 = 539,236 : x
  2. Step 2: Convert to fraction form
    258,548/539,236 = 539,236/x
  3. Step 3: Cross multiply
    258,548x = 539,236 × 539,236
  4. Step 4: Simplify right side
    258,548x = 290,775,463,696
  5. Step 5: Solve for x
    x = 290,775,463,696/258,548
  6. Step 6: Final answer
    x = 1,124,647.89

Related Problems

Find third proportional to 129,274 and 269,618
Half scale
Find third proportional to 517,096 and 1,078,472
Double scale
Find third proportional to 258,550 and 539,240
Similar ratio
Find third proportional to 387,822 and 808,854
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.