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Finding the Third Proportional to 28,656,456 and 62,942,547

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Solution

The third proportional to 28,656,456 and 62,942,547 is: 138,250,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656,456 : 62,942,547 = 62,942,547 : x
  2. Step 2: Convert to fraction form
    28,656,456/62,942,547 = 62,942,547/x
  3. Step 3: Cross multiply
    28,656,456x = 62,942,547 × 62,942,547
  4. Step 4: Simplify right side
    28,656,456x = 3,961,764,222,847,209
  5. Step 5: Solve for x
    x = 3,961,764,222,847,209/28,656,456
  6. Step 6: Final answer
    x = 138,250,320.38

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.