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Finding the Third Proportional to 39,894,572 and 84,593,065

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Solution

The third proportional to 39,894,572 and 84,593,065 is: 179,372,438.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,894,572 : 84,593,065 = 84,593,065 : x
  2. Step 2: Convert to fraction form
    39,894,572/84,593,065 = 84,593,065/x
  3. Step 3: Cross multiply
    39,894,572x = 84,593,065 × 84,593,065
  4. Step 4: Simplify right side
    39,894,572x = 7,155,986,646,094,225
  5. Step 5: Solve for x
    x = 7,155,986,646,094,225/39,894,572
  6. Step 6: Final answer
    x = 179,372,438.09

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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.