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Finding the Third Proportional to 3,645,435 and 7,977,399

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Solution

The third proportional to 3,645,435 and 7,977,399 is: 17,457,147.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645,435 : 7,977,399 = 7,977,399 : x
  2. Step 2: Convert to fraction form
    3,645,435/7,977,399 = 7,977,399/x
  3. Step 3: Cross multiply
    3,645,435x = 7,977,399 × 7,977,399
  4. Step 4: Simplify right side
    3,645,435x = 63,638,894,805,201
  5. Step 5: Solve for x
    x = 63,638,894,805,201/3,645,435
  6. Step 6: Final answer
    x = 17,457,147.04

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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.