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Finding the Third Proportional to 3,643,339.50 and 5,346,901.13

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Solution

The third proportional to 3,643,339.50 and 5,346,901.13 is: 7,847,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,339.50 : 5,346,901.13 = 5,346,901.13 : x
  2. Step 2: Convert to fraction form
    3,643,339.50/5,346,901.13 = 5,346,901.13/x
  3. Step 3: Cross multiply
    3,643,339.50x = 5,346,901.13 × 5,346,901.13
  4. Step 4: Simplify right side
    3,643,339.50x = 28,589,351,640,526.27
  5. Step 5: Solve for x
    x = 28,589,351,640,526.27/3,643,339.50
  6. Step 6: Final answer
    x = 7,847,018.28

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.