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Finding the Third Proportional to 4,887,071.72 and 6,426,495.70

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Solution

The third proportional to 4,887,071.72 and 6,426,495.70 is: 8,450,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887,071.72 : 6,426,495.70 = 6,426,495.70 : x
  2. Step 2: Convert to fraction form
    4,887,071.72/6,426,495.70 = 6,426,495.70/x
  3. Step 3: Cross multiply
    4,887,071.72x = 6,426,495.70 × 6,426,495.70
  4. Step 4: Simplify right side
    4,887,071.72x = 41,299,847,022,284.09
  5. Step 5: Solve for x
    x = 41,299,847,022,284.09/4,887,071.72
  6. Step 6: Final answer
    x = 8,450,837.11

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.