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Finding the Third Proportional to 70,889,280 and 106,215,656

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Solution

The third proportional to 70,889,280 and 106,215,656 is: 159,146,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,889,280 : 106,215,656 = 106,215,656 : x
  2. Step 2: Convert to fraction form
    70,889,280/106,215,656 = 106,215,656/x
  3. Step 3: Cross multiply
    70,889,280x = 106,215,656 × 106,215,656
  4. Step 4: Simplify right side
    70,889,280x = 11,281,765,579,510,336
  5. Step 5: Solve for x
    x = 11,281,765,579,510,336/70,889,280
  6. Step 6: Final answer
    x = 159,146,285.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.