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Finding the Third Proportional to 3,868,416 and 8,307,603

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Solution

The third proportional to 3,868,416 and 8,307,603 is: 17,840,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,416 : 8,307,603 = 8,307,603 : x
  2. Step 2: Convert to fraction form
    3,868,416/8,307,603 = 8,307,603/x
  3. Step 3: Cross multiply
    3,868,416x = 8,307,603 × 8,307,603
  4. Step 4: Simplify right side
    3,868,416x = 69,016,267,605,609
  5. Step 5: Solve for x
    x = 69,016,267,605,609/3,868,416
  6. Step 6: Final answer
    x = 17,840,963.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.