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Finding the Third Proportional to 12,363,920 and 18,913,026

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Solution

The third proportional to 12,363,920 and 18,913,026 is: 28,931,160.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363,920 : 18,913,026 = 18,913,026 : x
  2. Step 2: Convert to fraction form
    12,363,920/18,913,026 = 18,913,026/x
  3. Step 3: Cross multiply
    12,363,920x = 18,913,026 × 18,913,026
  4. Step 4: Simplify right side
    12,363,920x = 357,702,552,476,676
  5. Step 5: Solve for x
    x = 357,702,552,476,676/12,363,920
  6. Step 6: Final answer
    x = 28,931,160.38

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.