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Finding the Third Proportional to 4,186,162.90 and 9,013,674.94

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Solution

The third proportional to 4,186,162.90 and 9,013,674.94 is: 19,408,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186,162.90 : 9,013,674.94 = 9,013,674.94 : x
  2. Step 2: Convert to fraction form
    4,186,162.90/9,013,674.94 = 9,013,674.94/x
  3. Step 3: Cross multiply
    4,186,162.90x = 9,013,674.94 × 9,013,674.94
  4. Step 4: Simplify right side
    4,186,162.90x = 81,246,335,878,915.62
  5. Step 5: Solve for x
    x = 81,246,335,878,915.62/4,186,162.90
  6. Step 6: Final answer
    x = 19,408,307.29

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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.