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Finding the Third Proportional to 39,781,044 and 85,683,258

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Solution

The third proportional to 39,781,044 and 85,683,258 is: 184,550,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,781,044 : 85,683,258 = 85,683,258 : x
  2. Step 2: Convert to fraction form
    39,781,044/85,683,258 = 85,683,258/x
  3. Step 3: Cross multiply
    39,781,044x = 85,683,258 × 85,683,258
  4. Step 4: Simplify right side
    39,781,044x = 7,341,620,701,494,564
  5. Step 5: Solve for x
    x = 7,341,620,701,494,564/39,781,044
  6. Step 6: Final answer
    x = 184,550,729.78

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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.