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Finding the Third Proportional to 70,919,222 and 155,290,382

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Solution

The third proportional to 70,919,222 and 155,290,382 is: 340,036,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,919,222 : 155,290,382 = 155,290,382 : x
  2. Step 2: Convert to fraction form
    70,919,222/155,290,382 = 155,290,382/x
  3. Step 3: Cross multiply
    70,919,222x = 155,290,382 × 155,290,382
  4. Step 4: Simplify right side
    70,919,222x = 24,115,102,741,705,924
  5. Step 5: Solve for x
    x = 24,115,102,741,705,924/70,919,222
  6. Step 6: Final answer
    x = 340,036,199.80

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.