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Finding the Third Proportional to 71,639,208 and 153,495,157

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Solution

The third proportional to 71,639,208 and 153,495,157 is: 328,880,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,639,208 : 153,495,157 = 153,495,157 : x
  2. Step 2: Convert to fraction form
    71,639,208/153,495,157 = 153,495,157/x
  3. Step 3: Cross multiply
    71,639,208x = 153,495,157 × 153,495,157
  4. Step 4: Simplify right side
    71,639,208x = 23,560,763,222,454,648
  5. Step 5: Solve for x
    x = 23,560,763,222,454,648/71,639,208
  6. Step 6: Final answer
    x = 328,880,844.45

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.