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Finding the Third Proportional to 977,280 and 2,102,304

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Solution

The third proportional to 977,280 and 2,102,304 is: 4,522,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,280 : 2,102,304 = 2,102,304 : x
  2. Step 2: Convert to fraction form
    977,280/2,102,304 = 2,102,304/x
  3. Step 3: Cross multiply
    977,280x = 2,102,304 × 2,102,304
  4. Step 4: Simplify right side
    977,280x = 4,419,682,108,416
  5. Step 5: Solve for x
    x = 4,419,682,108,416/977,280
  6. Step 6: Final answer
    x = 4,522,431.76

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.