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Finding the Third Proportional to 28,262,697 and 61,220,643

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Solution

The third proportional to 28,262,697 and 61,220,643 is: 132,611,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262,697 : 61,220,643 = 61,220,643 : x
  2. Step 2: Convert to fraction form
    28,262,697/61,220,643 = 61,220,643/x
  3. Step 3: Cross multiply
    28,262,697x = 61,220,643 × 61,220,643
  4. Step 4: Simplify right side
    28,262,697x = 3,747,967,129,333,449
  5. Step 5: Solve for x
    x = 3,747,967,129,333,449/28,262,697
  6. Step 6: Final answer
    x = 132,611,800.26

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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.