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Finding the Third Proportional to 4,981,646.18 and 8,134,579.72

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Solution

The third proportional to 4,981,646.18 and 8,134,579.72 is: 13,283,036.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981,646.18 : 8,134,579.72 = 8,134,579.72 : x
  2. Step 2: Convert to fraction form
    4,981,646.18/8,134,579.72 = 8,134,579.72/x
  3. Step 3: Cross multiply
    4,981,646.18x = 8,134,579.72 × 8,134,579.72
  4. Step 4: Simplify right side
    4,981,646.18x = 66,171,387,264,249.41
  5. Step 5: Solve for x
    x = 66,171,387,264,249.41/4,981,646.18
  6. Step 6: Final answer
    x = 13,283,036.35

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.