Home / 257,092-553,658

Finding the Third Proportional to 257,092 and 553,658

Calculator

Solution

The third proportional to 257,092 and 553,658 is: 1,192,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,092 : 553,658 = 553,658 : x
  2. Step 2: Convert to fraction form
    257,092/553,658 = 553,658/x
  3. Step 3: Cross multiply
    257,092x = 553,658 × 553,658
  4. Step 4: Simplify right side
    257,092x = 306,537,180,964
  5. Step 5: Solve for x
    x = 306,537,180,964/257,092
  6. Step 6: Final answer
    x = 1,192,324.85

Related Problems

Find third proportional to 128,546 and 276,829
Half scale
Find third proportional to 514,184 and 1,107,316
Double scale
Find third proportional to 257,094 and 553,662
Similar ratio
Find third proportional to 385,638 and 830,487
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.