Home / 217,774-326,663

Finding the Third Proportional to 217,774 and 326,663

Calculator

Solution

The third proportional to 217,774 and 326,663 is: 489,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,774 : 326,663 = 326,663 : x
  2. Step 2: Convert to fraction form
    217,774/326,663 = 326,663/x
  3. Step 3: Cross multiply
    217,774x = 326,663 × 326,663
  4. Step 4: Simplify right side
    217,774x = 106,708,715,569
  5. Step 5: Solve for x
    x = 106,708,715,569/217,774
  6. Step 6: Final answer
    x = 489,997.50

Related Problems

Find third proportional to 108,887 and 163,331.50
Half scale
Find third proportional to 435,548 and 653,326
Double scale
Find third proportional to 217,776 and 326,666
Similar ratio
Find third proportional to 326,661 and 489,994.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.