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Finding the Third Proportional to 71,645,925 and 155,455,943

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Solution

The third proportional to 71,645,925 and 155,455,943 is: 337,305,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,645,925 : 155,455,943 = 155,455,943 : x
  2. Step 2: Convert to fraction form
    71,645,925/155,455,943 = 155,455,943/x
  3. Step 3: Cross multiply
    71,645,925x = 155,455,943 × 155,455,943
  4. Step 4: Simplify right side
    71,645,925x = 24,166,550,214,019,248
  5. Step 5: Solve for x
    x = 24,166,550,214,019,248/71,645,925
  6. Step 6: Final answer
    x = 337,305,299.83

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.