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Finding the Third Proportional to 38,829,220 and 84,258,808

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Solution

The third proportional to 38,829,220 and 84,258,808 is: 182,840,312.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,829,220 : 84,258,808 = 84,258,808 : x
  2. Step 2: Convert to fraction form
    38,829,220/84,258,808 = 84,258,808/x
  3. Step 3: Cross multiply
    38,829,220x = 84,258,808 × 84,258,808
  4. Step 4: Simplify right side
    38,829,220x = 7,099,546,725,580,864
  5. Step 5: Solve for x
    x = 7,099,546,725,580,864/38,829,220
  6. Step 6: Final answer
    x = 182,840,312.67

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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.