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Finding the Third Proportional to 28,262,699 and 61,220,647

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Solution

The third proportional to 28,262,699 and 61,220,647 is: 132,611,808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262,699 : 61,220,647 = 61,220,647 : x
  2. Step 2: Convert to fraction form
    28,262,699/61,220,647 = 61,220,647/x
  3. Step 3: Cross multiply
    28,262,699x = 61,220,647 × 61,220,647
  4. Step 4: Simplify right side
    28,262,699x = 3,747,967,619,098,609
  5. Step 5: Solve for x
    x = 3,747,967,619,098,609/28,262,699
  6. Step 6: Final answer
    x = 132,611,808.20

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.