Home / 253,280-553,216

Finding the Third Proportional to 253,280 and 553,216

Calculator

Solution

The third proportional to 253,280 and 553,216 is: 1,208,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,280 : 553,216 = 553,216 : x
  2. Step 2: Convert to fraction form
    253,280/553,216 = 553,216/x
  3. Step 3: Cross multiply
    253,280x = 553,216 × 553,216
  4. Step 4: Simplify right side
    253,280x = 306,047,942,656
  5. Step 5: Solve for x
    x = 306,047,942,656/253,280
  6. Step 6: Final answer
    x = 1,208,338.37

Related Problems

Find third proportional to 126,640 and 276,608
Half scale
Find third proportional to 506,560 and 1,106,432
Double scale
Find third proportional to 253,282 and 553,220
Similar ratio
Find third proportional to 379,920 and 829,824
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.