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Finding the Third Proportional to 5,354,266.50 and 8,156,878.88

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Solution

The third proportional to 5,354,266.50 and 8,156,878.88 is: 12,426,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354,266.50 : 8,156,878.88 = 8,156,878.88 : x
  2. Step 2: Convert to fraction form
    5,354,266.50/8,156,878.88 = 8,156,878.88/x
  3. Step 3: Cross multiply
    5,354,266.50x = 8,156,878.88 × 8,156,878.88
  4. Step 4: Simplify right side
    5,354,266.50x = 66,534,672,981,421.27
  5. Step 5: Solve for x
    x = 66,534,672,981,421.27/5,354,266.50
  6. Step 6: Final answer
    x = 12,426,477.65

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.