Home / 187,983-287,928

Finding the Third Proportional to 187,983 and 287,928

Calculator

Solution

The third proportional to 187,983 and 287,928 is: 441,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,983 : 287,928 = 287,928 : x
  2. Step 2: Convert to fraction form
    187,983/287,928 = 287,928/x
  3. Step 3: Cross multiply
    187,983x = 287,928 × 287,928
  4. Step 4: Simplify right side
    187,983x = 82,902,533,184
  5. Step 5: Solve for x
    x = 82,902,533,184/187,983
  6. Step 6: Final answer
    x = 441,010.80

Related Problems

Find third proportional to 93,991.50 and 143,964
Half scale
Find third proportional to 375,966 and 575,856
Double scale
Find third proportional to 187,985 and 287,931
Similar ratio
Find third proportional to 281,974.50 and 431,892
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.