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Finding the Third Proportional to 916,515 and 2,012,334

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Solution

The third proportional to 916,515 and 2,012,334 is: 4,418,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,515 : 2,012,334 = 2,012,334 : x
  2. Step 2: Convert to fraction form
    916,515/2,012,334 = 2,012,334/x
  3. Step 3: Cross multiply
    916,515x = 2,012,334 × 2,012,334
  4. Step 4: Simplify right side
    916,515x = 4,049,488,127,556
  5. Step 5: Solve for x
    x = 4,049,488,127,556/916,515
  6. Step 6: Final answer
    x = 4,418,354.45

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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.