Home / 216,169-345,332

Finding the Third Proportional to 216,169 and 345,332

Calculator

Solution

The third proportional to 216,169 and 345,332 is: 551,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,169 : 345,332 = 345,332 : x
  2. Step 2: Convert to fraction form
    216,169/345,332 = 345,332/x
  3. Step 3: Cross multiply
    216,169x = 345,332 × 345,332
  4. Step 4: Simplify right side
    216,169x = 119,254,190,224
  5. Step 5: Solve for x
    x = 119,254,190,224/216,169
  6. Step 6: Final answer
    x = 551,671.10

Related Problems

Find third proportional to 108,084.50 and 172,666
Half scale
Find third proportional to 432,338 and 690,664
Double scale
Find third proportional to 216,171 and 345,335
Similar ratio
Find third proportional to 324,253.50 and 517,998
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.