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Finding the Third Proportional to 42,968,936.25 and 68,151,402

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Solution

The third proportional to 42,968,936.25 and 68,151,402 is: 108,092,356.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,968,936.25 : 68,151,402 = 68,151,402 : x
  2. Step 2: Convert to fraction form
    42,968,936.25/68,151,402 = 68,151,402/x
  3. Step 3: Cross multiply
    42,968,936.25x = 68,151,402 × 68,151,402
  4. Step 4: Simplify right side
    42,968,936.25x = 4,644,613,594,565,604
  5. Step 5: Solve for x
    x = 4,644,613,594,565,604/42,968,936.25
  6. Step 6: Final answer
    x = 108,092,356.94

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.