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Finding the Third Proportional to 3,155,443.50 and 6,911,526

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Solution

The third proportional to 3,155,443.50 and 6,911,526 is: 15,138,661.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,443.50 : 6,911,526 = 6,911,526 : x
  2. Step 2: Convert to fraction form
    3,155,443.50/6,911,526 = 6,911,526/x
  3. Step 3: Cross multiply
    3,155,443.50x = 6,911,526 × 6,911,526
  4. Step 4: Simplify right side
    3,155,443.50x = 47,769,191,648,676
  5. Step 5: Solve for x
    x = 47,769,191,648,676/3,155,443.50
  6. Step 6: Final answer
    x = 15,138,661.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.