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Finding the Third Proportional to 1,530,425.39 and 3,340,612.13

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Solution

The third proportional to 1,530,425.39 and 3,340,612.13 is: 7,291,887.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,425.39 : 3,340,612.13 = 3,340,612.13 : x
  2. Step 2: Convert to fraction form
    1,530,425.39/3,340,612.13 = 3,340,612.13/x
  3. Step 3: Cross multiply
    1,530,425.39x = 3,340,612.13 × 3,340,612.13
  4. Step 4: Simplify right side
    1,530,425.39x = 11,159,689,369,697.02
  5. Step 5: Solve for x
    x = 11,159,689,369,697.02/1,530,425.39
  6. Step 6: Final answer
    x = 7,291,887.23

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.