Home / 103,280-218,967

Finding the Third Proportional to 103,280 and 218,967

Calculator

Solution

The third proportional to 103,280 and 218,967 is: 464,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,280 : 218,967 = 218,967 : x
  2. Step 2: Convert to fraction form
    103,280/218,967 = 218,967/x
  3. Step 3: Cross multiply
    103,280x = 218,967 × 218,967
  4. Step 4: Simplify right side
    103,280x = 47,946,547,089
  5. Step 5: Solve for x
    x = 47,946,547,089/103,280
  6. Step 6: Final answer
    x = 464,238.45

Related Problems

Find third proportional to 51,640 and 109,483.50
Half scale
Find third proportional to 206,560 and 437,934
Double scale
Find third proportional to 103,282 and 218,971
Similar ratio
Find third proportional to 154,920 and 328,450.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.