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Finding the Third Proportional to 713,286 and 1,108,017

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Solution

The third proportional to 713,286 and 1,108,017 is: 1,721,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,286 : 1,108,017 = 1,108,017 : x
  2. Step 2: Convert to fraction form
    713,286/1,108,017 = 1,108,017/x
  3. Step 3: Cross multiply
    713,286x = 1,108,017 × 1,108,017
  4. Step 4: Simplify right side
    713,286x = 1,227,701,672,289
  5. Step 5: Solve for x
    x = 1,227,701,672,289/713,286
  6. Step 6: Final answer
    x = 1,721,191.32

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.