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Finding the Third Proportional to 4,271,988 and 8,702,603

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Solution

The third proportional to 4,271,988 and 8,702,603 is: 17,728,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271,988 : 8,702,603 = 8,702,603 : x
  2. Step 2: Convert to fraction form
    4,271,988/8,702,603 = 8,702,603/x
  3. Step 3: Cross multiply
    4,271,988x = 8,702,603 × 8,702,603
  4. Step 4: Simplify right side
    4,271,988x = 75,735,298,975,609
  5. Step 5: Solve for x
    x = 75,735,298,975,609/4,271,988
  6. Step 6: Final answer
    x = 17,728,350.12

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.