Home / 258,866-530,270

Finding the Third Proportional to 258,866 and 530,270

Calculator

Solution

The third proportional to 258,866 and 530,270 is: 1,086,223.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,866 : 530,270 = 530,270 : x
  2. Step 2: Convert to fraction form
    258,866/530,270 = 530,270/x
  3. Step 3: Cross multiply
    258,866x = 530,270 × 530,270
  4. Step 4: Simplify right side
    258,866x = 281,186,272,900
  5. Step 5: Solve for x
    x = 281,186,272,900/258,866
  6. Step 6: Final answer
    x = 1,086,223.27

Related Problems

Find third proportional to 129,433 and 265,135
Half scale
Find third proportional to 517,732 and 1,060,540
Double scale
Find third proportional to 258,868 and 530,274
Similar ratio
Find third proportional to 388,299 and 795,405
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.