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Finding the Third Proportional to 1,138,430.56 and 2,466,031.39

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Solution

The third proportional to 1,138,430.56 and 2,466,031.39 is: 5,341,837.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,430.56 : 2,466,031.39 = 2,466,031.39 : x
  2. Step 2: Convert to fraction form
    1,138,430.56/2,466,031.39 = 2,466,031.39/x
  3. Step 3: Cross multiply
    1,138,430.56x = 2,466,031.39 × 2,466,031.39
  4. Step 4: Simplify right side
    1,138,430.56x = 6,081,310,838,813.50
  5. Step 5: Solve for x
    x = 6,081,310,838,813.50/1,138,430.56
  6. Step 6: Final answer
    x = 5,341,837.32

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.