Home / 72,645,013.27-154,988,418.52

Finding the Third Proportional to 72,645,013.27 and 154,988,418.52

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Solution

The third proportional to 72,645,013.27 and 154,988,418.52 is: 330,668,394.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,645,013.27 : 154,988,418.52 = 154,988,418.52 : x
  2. Step 2: Convert to fraction form
    72,645,013.27/154,988,418.52 = 154,988,418.52/x
  3. Step 3: Cross multiply
    72,645,013.27x = 154,988,418.52 × 154,988,418.52
  4. Step 4: Simplify right side
    72,645,013.27x = 24,021,409,873,972,980
  5. Step 5: Solve for x
    x = 24,021,409,873,972,980/72,645,013.27
  6. Step 6: Final answer
    x = 330,668,394.07

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.