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Finding the Third Proportional to 3,930,907.50 and 8,334,207

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Solution

The third proportional to 3,930,907.50 and 8,334,207 is: 17,669,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,907.50 : 8,334,207 = 8,334,207 : x
  2. Step 2: Convert to fraction form
    3,930,907.50/8,334,207 = 8,334,207/x
  3. Step 3: Cross multiply
    3,930,907.50x = 8,334,207 × 8,334,207
  4. Step 4: Simplify right side
    3,930,907.50x = 69,459,006,318,849
  5. Step 5: Solve for x
    x = 69,459,006,318,849/3,930,907.50
  6. Step 6: Final answer
    x = 17,669,967.13

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.