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Finding the Third Proportional to 4,118,594.34 and 8,578,078.45

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Solution

The third proportional to 4,118,594.34 and 8,578,078.45 is: 17,866,151.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118,594.34 : 8,578,078.45 = 8,578,078.45 : x
  2. Step 2: Convert to fraction form
    4,118,594.34/8,578,078.45 = 8,578,078.45/x
  3. Step 3: Cross multiply
    4,118,594.34x = 8,578,078.45 × 8,578,078.45
  4. Step 4: Simplify right side
    4,118,594.34x = 73,583,429,947,963.97
  5. Step 5: Solve for x
    x = 73,583,429,947,963.97/4,118,594.34
  6. Step 6: Final answer
    x = 17,866,151.36

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.