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Finding the Third Proportional to 2,415,154.50 and 5,208,639

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Solution

The third proportional to 2,415,154.50 and 5,208,639 is: 11,233,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415,154.50 : 5,208,639 = 5,208,639 : x
  2. Step 2: Convert to fraction form
    2,415,154.50/5,208,639 = 5,208,639/x
  3. Step 3: Cross multiply
    2,415,154.50x = 5,208,639 × 5,208,639
  4. Step 4: Simplify right side
    2,415,154.50x = 27,129,920,232,321
  5. Step 5: Solve for x
    x = 27,129,920,232,321/2,415,154.50
  6. Step 6: Final answer
    x = 11,233,202.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.