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Finding the Third Proportional to 78,211,214 and 118,323,466

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Solution

The third proportional to 78,211,214 and 118,323,466 is: 179,008,122.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,211,214 : 118,323,466 = 118,323,466 : x
  2. Step 2: Convert to fraction form
    78,211,214/118,323,466 = 118,323,466/x
  3. Step 3: Cross multiply
    78,211,214x = 118,323,466 × 118,323,466
  4. Step 4: Simplify right side
    78,211,214x = 14,000,442,606,253,156
  5. Step 5: Solve for x
    x = 14,000,442,606,253,156/78,211,214
  6. Step 6: Final answer
    x = 179,008,122.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.