Home / 245,138-506,020

Finding the Third Proportional to 245,138 and 506,020

Calculator

Solution

The third proportional to 245,138 and 506,020 is: 1,044,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,138 : 506,020 = 506,020 : x
  2. Step 2: Convert to fraction form
    245,138/506,020 = 506,020/x
  3. Step 3: Cross multiply
    245,138x = 506,020 × 506,020
  4. Step 4: Simplify right side
    245,138x = 256,056,240,400
  5. Step 5: Solve for x
    x = 256,056,240,400/245,138
  6. Step 6: Final answer
    x = 1,044,539.16

Related Problems

Find third proportional to 122,569 and 253,010
Half scale
Find third proportional to 490,276 and 1,012,040
Double scale
Find third proportional to 245,140 and 506,024
Similar ratio
Find third proportional to 367,707 and 759,030
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.