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Finding the Third Proportional to 42,645,432 and 62,368,728

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Solution

The third proportional to 42,645,432 and 62,368,728 is: 91,213,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,645,432 : 62,368,728 = 62,368,728 : x
  2. Step 2: Convert to fraction form
    42,645,432/62,368,728 = 62,368,728/x
  3. Step 3: Cross multiply
    42,645,432x = 62,368,728 × 62,368,728
  4. Step 4: Simplify right side
    42,645,432x = 3,889,858,232,337,984
  5. Step 5: Solve for x
    x = 3,889,858,232,337,984/42,645,432
  6. Step 6: Final answer
    x = 91,213,948.36

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.