Home / 353,139-772,297

Finding the Third Proportional to 353,139 and 772,297

Calculator

Solution

The third proportional to 353,139 and 772,297 is: 1,688,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,139 : 772,297 = 772,297 : x
  2. Step 2: Convert to fraction form
    353,139/772,297 = 772,297/x
  3. Step 3: Cross multiply
    353,139x = 772,297 × 772,297
  4. Step 4: Simplify right side
    353,139x = 596,442,656,209
  5. Step 5: Solve for x
    x = 596,442,656,209/353,139
  6. Step 6: Final answer
    x = 1,688,974.19

Related Problems

Find third proportional to 176,569.50 and 386,148.50
Half scale
Find third proportional to 706,278 and 1,544,594
Double scale
Find third proportional to 353,141 and 772,301
Similar ratio
Find third proportional to 529,708.50 and 1,158,445.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.