Home / 252,542-561,138

Finding the Third Proportional to 252,542 and 561,138

Calculator

Solution

The third proportional to 252,542 and 561,138 is: 1,246,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,542 : 561,138 = 561,138 : x
  2. Step 2: Convert to fraction form
    252,542/561,138 = 561,138/x
  3. Step 3: Cross multiply
    252,542x = 561,138 × 561,138
  4. Step 4: Simplify right side
    252,542x = 314,875,855,044
  5. Step 5: Solve for x
    x = 314,875,855,044/252,542
  6. Step 6: Final answer
    x = 1,246,825.70

Related Problems

Find third proportional to 126,271 and 280,569
Half scale
Find third proportional to 505,084 and 1,122,276
Double scale
Find third proportional to 252,544 and 561,142
Similar ratio
Find third proportional to 378,813 and 841,707
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.