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Finding the Third Proportional to 16,685,061 and 25,821,459

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Solution

The third proportional to 16,685,061 and 25,821,459 is: 39,960,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685,061 : 25,821,459 = 25,821,459 : x
  2. Step 2: Convert to fraction form
    16,685,061/25,821,459 = 25,821,459/x
  3. Step 3: Cross multiply
    16,685,061x = 25,821,459 × 25,821,459
  4. Step 4: Simplify right side
    16,685,061x = 666,747,744,888,681
  5. Step 5: Solve for x
    x = 666,747,744,888,681/16,685,061
  6. Step 6: Final answer
    x = 39,960,761.60

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.