Home / 130,308-285,528

Finding the Third Proportional to 130,308 and 285,528

Calculator

Solution

The third proportional to 130,308 and 285,528 is: 625,642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,308 : 285,528 = 285,528 : x
  2. Step 2: Convert to fraction form
    130,308/285,528 = 285,528/x
  3. Step 3: Cross multiply
    130,308x = 285,528 × 285,528
  4. Step 4: Simplify right side
    130,308x = 81,526,238,784
  5. Step 5: Solve for x
    x = 81,526,238,784/130,308
  6. Step 6: Final answer
    x = 625,642.62

Related Problems

Find third proportional to 65,154 and 142,764
Half scale
Find third proportional to 260,616 and 571,056
Double scale
Find third proportional to 130,310 and 285,532
Similar ratio
Find third proportional to 195,462 and 428,292
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.