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Finding the Third Proportional to 7,290,928 and 15,954,320

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Solution

The third proportional to 7,290,928 and 15,954,320 is: 34,911,924.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,928 : 15,954,320 = 15,954,320 : x
  2. Step 2: Convert to fraction form
    7,290,928/15,954,320 = 15,954,320/x
  3. Step 3: Cross multiply
    7,290,928x = 15,954,320 × 15,954,320
  4. Step 4: Simplify right side
    7,290,928x = 254,540,326,662,400
  5. Step 5: Solve for x
    x = 254,540,326,662,400/7,290,928
  6. Step 6: Final answer
    x = 34,911,924.33

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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.