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Finding the Third Proportional to 7,480,816 and 16,157,372

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Solution

The third proportional to 7,480,816 and 16,157,372 is: 34,897,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480,816 : 16,157,372 = 16,157,372 : x
  2. Step 2: Convert to fraction form
    7,480,816/16,157,372 = 16,157,372/x
  3. Step 3: Cross multiply
    7,480,816x = 16,157,372 × 16,157,372
  4. Step 4: Simplify right side
    7,480,816x = 261,060,669,946,384
  5. Step 5: Solve for x
    x = 261,060,669,946,384/7,480,816
  6. Step 6: Final answer
    x = 34,897,352.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.