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Finding the Third Proportional to 28,262,707 and 61,220,663

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Solution

The third proportional to 28,262,707 and 61,220,663 is: 132,611,839.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262,707 : 61,220,663 = 61,220,663 : x
  2. Step 2: Convert to fraction form
    28,262,707/61,220,663 = 61,220,663/x
  3. Step 3: Cross multiply
    28,262,707x = 61,220,663 × 61,220,663
  4. Step 4: Simplify right side
    28,262,707x = 3,747,969,578,159,569
  5. Step 5: Solve for x
    x = 3,747,969,578,159,569/28,262,707
  6. Step 6: Final answer
    x = 132,611,839.98

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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.