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Finding the Third Proportional to 12,363,919 and 18,913,024.50

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Solution

The third proportional to 12,363,919 and 18,913,024.50 is: 28,931,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363,919 : 18,913,024.50 = 18,913,024.50 : x
  2. Step 2: Convert to fraction form
    12,363,919/18,913,024.50 = 18,913,024.50/x
  3. Step 3: Cross multiply
    12,363,919x = 18,913,024.50 × 18,913,024.50
  4. Step 4: Simplify right side
    12,363,919x = 357,702,495,737,600.25
  5. Step 5: Solve for x
    x = 357,702,495,737,600.25/12,363,919
  6. Step 6: Final answer
    x = 28,931,158.13

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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.