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Finding the Third Proportional to 630,939 and 1,376,073

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Solution

The third proportional to 630,939 and 1,376,073 is: 3,001,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,939 : 1,376,073 = 1,376,073 : x
  2. Step 2: Convert to fraction form
    630,939/1,376,073 = 1,376,073/x
  3. Step 3: Cross multiply
    630,939x = 1,376,073 × 1,376,073
  4. Step 4: Simplify right side
    630,939x = 1,893,576,901,329
  5. Step 5: Solve for x
    x = 1,893,576,901,329/630,939
  6. Step 6: Final answer
    x = 3,001,204.40

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.