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Finding the Third Proportional to 12,957,372 and 29,997,128

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Solution

The third proportional to 12,957,372 and 29,997,128 is: 69,445,230.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957,372 : 29,997,128 = 29,997,128 : x
  2. Step 2: Convert to fraction form
    12,957,372/29,997,128 = 29,997,128/x
  3. Step 3: Cross multiply
    12,957,372x = 29,997,128 × 29,997,128
  4. Step 4: Simplify right side
    12,957,372x = 899,827,688,248,384
  5. Step 5: Solve for x
    x = 899,827,688,248,384/12,957,372
  6. Step 6: Final answer
    x = 69,445,230.73

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.