Home / 133,044-287,190

Finding the Third Proportional to 133,044 and 287,190

Calculator

Solution

The third proportional to 133,044 and 287,190 is: 619,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,044 : 287,190 = 287,190 : x
  2. Step 2: Convert to fraction form
    133,044/287,190 = 287,190/x
  3. Step 3: Cross multiply
    133,044x = 287,190 × 287,190
  4. Step 4: Simplify right side
    133,044x = 82,478,096,100
  5. Step 5: Solve for x
    x = 82,478,096,100/133,044
  6. Step 6: Final answer
    x = 619,930.97

Related Problems

Find third proportional to 66,522 and 143,595
Half scale
Find third proportional to 266,088 and 574,380
Double scale
Find third proportional to 133,046 and 287,194
Similar ratio
Find third proportional to 199,566 and 430,785
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.