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Finding the Third Proportional to 5,128,045 and 10,942,457

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Solution

The third proportional to 5,128,045 and 10,942,457 is: 23,349,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,045 : 10,942,457 = 10,942,457 : x
  2. Step 2: Convert to fraction form
    5,128,045/10,942,457 = 10,942,457/x
  3. Step 3: Cross multiply
    5,128,045x = 10,942,457 × 10,942,457
  4. Step 4: Simplify right side
    5,128,045x = 119,737,365,196,849
  5. Step 5: Solve for x
    x = 119,737,365,196,849/5,128,045
  6. Step 6: Final answer
    x = 23,349,515.30

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.