Home / 293,250-638,988

Finding the Third Proportional to 293,250 and 638,988

Calculator

Solution

The third proportional to 293,250 and 638,988 is: 1,392,346.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,250 : 638,988 = 638,988 : x
  2. Step 2: Convert to fraction form
    293,250/638,988 = 638,988/x
  3. Step 3: Cross multiply
    293,250x = 638,988 × 638,988
  4. Step 4: Simplify right side
    293,250x = 408,305,664,144
  5. Step 5: Solve for x
    x = 408,305,664,144/293,250
  6. Step 6: Final answer
    x = 1,392,346.68

Related Problems

Find third proportional to 146,625 and 319,494
Half scale
Find third proportional to 586,500 and 1,277,976
Double scale
Find third proportional to 293,252 and 638,992
Similar ratio
Find third proportional to 439,875 and 958,482
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.