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Finding the Third Proportional to 2,287,907.72 and 3,455,308.97

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Solution

The third proportional to 2,287,907.72 and 3,455,308.97 is: 5,218,374.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,907.72 : 3,455,308.97 = 3,455,308.97 : x
  2. Step 2: Convert to fraction form
    2,287,907.72/3,455,308.97 = 3,455,308.97/x
  3. Step 3: Cross multiply
    2,287,907.72x = 3,455,308.97 × 3,455,308.97
  4. Step 4: Simplify right side
    2,287,907.72x = 11,939,160,069,524.19
  5. Step 5: Solve for x
    x = 11,939,160,069,524.19/2,287,907.72
  6. Step 6: Final answer
    x = 5,218,374.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.