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Finding the Third Proportional to 18,458,007 and 28,654,422

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Solution

The third proportional to 18,458,007 and 28,654,422 is: 44,483,453.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458,007 : 28,654,422 = 28,654,422 : x
  2. Step 2: Convert to fraction form
    18,458,007/28,654,422 = 28,654,422/x
  3. Step 3: Cross multiply
    18,458,007x = 28,654,422 × 28,654,422
  4. Step 4: Simplify right side
    18,458,007x = 821,075,900,154,084
  5. Step 5: Solve for x
    x = 821,075,900,154,084/18,458,007
  6. Step 6: Final answer
    x = 44,483,453.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.