Home / 245,311-506,295

Finding the Third Proportional to 245,311 and 506,295

Calculator

Solution

The third proportional to 245,311 and 506,295 is: 1,044,937.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,311 : 506,295 = 506,295 : x
  2. Step 2: Convert to fraction form
    245,311/506,295 = 506,295/x
  3. Step 3: Cross multiply
    245,311x = 506,295 × 506,295
  4. Step 4: Simplify right side
    245,311x = 256,334,627,025
  5. Step 5: Solve for x
    x = 256,334,627,025/245,311
  6. Step 6: Final answer
    x = 1,044,937.35

Related Problems

Find third proportional to 122,655.50 and 253,147.50
Half scale
Find third proportional to 490,622 and 1,012,590
Double scale
Find third proportional to 245,313 and 506,299
Similar ratio
Find third proportional to 367,966.50 and 759,442.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.