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Finding the Third Proportional to 39,158,310 and 82,984,617

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Solution

The third proportional to 39,158,310 and 82,984,617 is: 175,861,692.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,158,310 : 82,984,617 = 82,984,617 : x
  2. Step 2: Convert to fraction form
    39,158,310/82,984,617 = 82,984,617/x
  3. Step 3: Cross multiply
    39,158,310x = 82,984,617 × 82,984,617
  4. Step 4: Simplify right side
    39,158,310x = 6,886,446,658,636,689
  5. Step 5: Solve for x
    x = 6,886,446,658,636,689/39,158,310
  6. Step 6: Final answer
    x = 175,861,692.16

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.