Home / 103,631-157,470

Finding the Third Proportional to 103,631 and 157,470

Calculator

Solution

The third proportional to 103,631 and 157,470 is: 239,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631 : 157,470 = 157,470 : x
  2. Step 2: Convert to fraction form
    103,631/157,470 = 157,470/x
  3. Step 3: Cross multiply
    103,631x = 157,470 × 157,470
  4. Step 4: Simplify right side
    103,631x = 24,796,800,900
  5. Step 5: Solve for x
    x = 24,796,800,900/103,631
  6. Step 6: Final answer
    x = 239,279.76

Related Problems

Find third proportional to 51,815.50 and 78,735
Half scale
Find third proportional to 207,262 and 314,940
Double scale
Find third proportional to 103,633 and 157,473
Similar ratio
Find third proportional to 155,446.50 and 236,205
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.