Home / 272,484-411,183

Finding the Third Proportional to 272,484 and 411,183

Calculator

Solution

The third proportional to 272,484 and 411,183 is: 620,482.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,484 : 411,183 = 411,183 : x
  2. Step 2: Convert to fraction form
    272,484/411,183 = 411,183/x
  3. Step 3: Cross multiply
    272,484x = 411,183 × 411,183
  4. Step 4: Simplify right side
    272,484x = 169,071,459,489
  5. Step 5: Solve for x
    x = 169,071,459,489/272,484
  6. Step 6: Final answer
    x = 620,482.15

Related Problems

Find third proportional to 136,242 and 205,591.50
Half scale
Find third proportional to 544,968 and 822,366
Double scale
Find third proportional to 272,486 and 411,186
Similar ratio
Find third proportional to 408,726 and 616,774.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.