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Finding the Third Proportional to 40,772,280 and 89,601,468

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Solution

The third proportional to 40,772,280 and 89,601,468 is: 196,908,857.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,772,280 : 89,601,468 = 89,601,468 : x
  2. Step 2: Convert to fraction form
    40,772,280/89,601,468 = 89,601,468/x
  3. Step 3: Cross multiply
    40,772,280x = 89,601,468 × 89,601,468
  4. Step 4: Simplify right side
    40,772,280x = 8,028,423,067,755,024
  5. Step 5: Solve for x
    x = 8,028,423,067,755,024/40,772,280
  6. Step 6: Final answer
    x = 196,908,857.38

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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.