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Finding the Third Proportional to 20,062,368 and 28,678,272

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Solution

The third proportional to 20,062,368 and 28,678,272 is: 40,994,327.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062,368 : 28,678,272 = 28,678,272 : x
  2. Step 2: Convert to fraction form
    20,062,368/28,678,272 = 28,678,272/x
  3. Step 3: Cross multiply
    20,062,368x = 28,678,272 × 28,678,272
  4. Step 4: Simplify right side
    20,062,368x = 822,443,284,905,984
  5. Step 5: Solve for x
    x = 822,443,284,905,984/20,062,368
  6. Step 6: Final answer
    x = 40,994,327.53

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.