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Finding the Third Proportional to 8,527,392 and 13,120,445

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Solution

The third proportional to 8,527,392 and 13,120,445 is: 20,187,423.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527,392 : 13,120,445 = 13,120,445 : x
  2. Step 2: Convert to fraction form
    8,527,392/13,120,445 = 13,120,445/x
  3. Step 3: Cross multiply
    8,527,392x = 13,120,445 × 13,120,445
  4. Step 4: Simplify right side
    8,527,392x = 172,146,076,998,025
  5. Step 5: Solve for x
    x = 172,146,076,998,025/8,527,392
  6. Step 6: Final answer
    x = 20,187,423.89

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.