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Finding the Third Proportional to 7,518,730 and 11,280,399

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Solution

The third proportional to 7,518,730 and 11,280,399 is: 16,924,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,730 : 11,280,399 = 11,280,399 : x
  2. Step 2: Convert to fraction form
    7,518,730/11,280,399 = 11,280,399/x
  3. Step 3: Cross multiply
    7,518,730x = 11,280,399 × 11,280,399
  4. Step 4: Simplify right side
    7,518,730x = 127,247,401,599,201
  5. Step 5: Solve for x
    x = 127,247,401,599,201/7,518,730
  6. Step 6: Final answer
    x = 16,924,055.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.