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Finding the Third Proportional to 8,553,154.50 and 18,612,031.50

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Solution

The third proportional to 8,553,154.50 and 18,612,031.50 is: 40,500,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553,154.50 : 18,612,031.50 = 18,612,031.50 : x
  2. Step 2: Convert to fraction form
    8,553,154.50/18,612,031.50 = 18,612,031.50/x
  3. Step 3: Cross multiply
    8,553,154.50x = 18,612,031.50 × 18,612,031.50
  4. Step 4: Simplify right side
    8,553,154.50x = 346,407,716,556,992.25
  5. Step 5: Solve for x
    x = 346,407,716,556,992.25/8,553,154.50
  6. Step 6: Final answer
    x = 40,500,579.82

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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.