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Finding the Third Proportional to 39,935,136 and 57,068,348

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Solution

The third proportional to 39,935,136 and 57,068,348 is: 81,552,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,935,136 : 57,068,348 = 57,068,348 : x
  2. Step 2: Convert to fraction form
    39,935,136/57,068,348 = 57,068,348/x
  3. Step 3: Cross multiply
    39,935,136x = 57,068,348 × 57,068,348
  4. Step 4: Simplify right side
    39,935,136x = 3,256,796,343,449,104
  5. Step 5: Solve for x
    x = 3,256,796,343,449,104/39,935,136
  6. Step 6: Final answer
    x = 81,552,153.56

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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.