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Finding the Third Proportional to 4,443,749.81 and 6,636,505.13

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Solution

The third proportional to 4,443,749.81 and 6,636,505.13 is: 9,911,269.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,443,749.81 : 6,636,505.13 = 6,636,505.13 : x
  2. Step 2: Convert to fraction form
    4,443,749.81/6,636,505.13 = 6,636,505.13/x
  3. Step 3: Cross multiply
    4,443,749.81x = 6,636,505.13 × 6,636,505.13
  4. Step 4: Simplify right side
    4,443,749.81x = 44,043,200,274,151.27
  5. Step 5: Solve for x
    x = 44,043,200,274,151.27/4,443,749.81
  6. Step 6: Final answer
    x = 9,911,269.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.