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Finding the Third Proportional to 12,692,772 and 27,904,968

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Solution

The third proportional to 12,692,772 and 27,904,968 is: 61,348,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,692,772 : 27,904,968 = 27,904,968 : x
  2. Step 2: Convert to fraction form
    12,692,772/27,904,968 = 27,904,968/x
  3. Step 3: Cross multiply
    12,692,772x = 27,904,968 × 27,904,968
  4. Step 4: Simplify right side
    12,692,772x = 778,687,239,081,024
  5. Step 5: Solve for x
    x = 778,687,239,081,024/12,692,772
  6. Step 6: Final answer
    x = 61,348,871.55

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.