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Finding the Third Proportional to 70,348,842 and 155,009,376

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Solution

The third proportional to 70,348,842 and 155,009,376 is: 341,553,691.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,348,842 : 155,009,376 = 155,009,376 : x
  2. Step 2: Convert to fraction form
    70,348,842/155,009,376 = 155,009,376/x
  3. Step 3: Cross multiply
    70,348,842x = 155,009,376 × 155,009,376
  4. Step 4: Simplify right side
    70,348,842x = 24,027,906,647,909,376
  5. Step 5: Solve for x
    x = 24,027,906,647,909,376/70,348,842
  6. Step 6: Final answer
    x = 341,553,691.07

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.