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Finding the Third Proportional to 28,430,644 and 40,519,374

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Solution

The third proportional to 28,430,644 and 40,519,374 is: 57,748,240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,644 : 40,519,374 = 40,519,374 : x
  2. Step 2: Convert to fraction form
    28,430,644/40,519,374 = 40,519,374/x
  3. Step 3: Cross multiply
    28,430,644x = 40,519,374 × 40,519,374
  4. Step 4: Simplify right side
    28,430,644x = 1,641,819,669,351,876
  5. Step 5: Solve for x
    x = 1,641,819,669,351,876/28,430,644
  6. Step 6: Final answer
    x = 57,748,240.57

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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.