Home / 187,902-290,823

Finding the Third Proportional to 187,902 and 290,823

Calculator

Solution

The third proportional to 187,902 and 290,823 is: 450,117.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,902 : 290,823 = 290,823 : x
  2. Step 2: Convert to fraction form
    187,902/290,823 = 290,823/x
  3. Step 3: Cross multiply
    187,902x = 290,823 × 290,823
  4. Step 4: Simplify right side
    187,902x = 84,578,017,329
  5. Step 5: Solve for x
    x = 84,578,017,329/187,902
  6. Step 6: Final answer
    x = 450,117.71

Related Problems

Find third proportional to 93,951 and 145,411.50
Half scale
Find third proportional to 375,804 and 581,646
Double scale
Find third proportional to 187,904 and 290,826
Similar ratio
Find third proportional to 281,853 and 436,234.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.