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Finding the Third Proportional to 4,977,018 and 10,163,988

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Solution

The third proportional to 4,977,018 and 10,163,988 is: 20,756,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977,018 : 10,163,988 = 10,163,988 : x
  2. Step 2: Convert to fraction form
    4,977,018/10,163,988 = 10,163,988/x
  3. Step 3: Cross multiply
    4,977,018x = 10,163,988 × 10,163,988
  4. Step 4: Simplify right side
    4,977,018x = 103,306,652,064,144
  5. Step 5: Solve for x
    x = 103,306,652,064,144/4,977,018
  6. Step 6: Final answer
    x = 20,756,736.68

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.