Home / 257,365-371,283

Finding the Third Proportional to 257,365 and 371,283

Calculator

Solution

The third proportional to 257,365 and 371,283 is: 535,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,365 : 371,283 = 371,283 : x
  2. Step 2: Convert to fraction form
    257,365/371,283 = 371,283/x
  3. Step 3: Cross multiply
    257,365x = 371,283 × 371,283
  4. Step 4: Simplify right side
    257,365x = 137,851,066,089
  5. Step 5: Solve for x
    x = 137,851,066,089/257,365
  6. Step 6: Final answer
    x = 535,624.76

Related Problems

Find third proportional to 128,682.50 and 185,641.50
Half scale
Find third proportional to 514,730 and 742,566
Double scale
Find third proportional to 257,367 and 371,286
Similar ratio
Find third proportional to 386,047.50 and 556,924.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.