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Finding the Third Proportional to 8,721,922 and 12,997,798

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Solution

The third proportional to 8,721,922 and 12,997,798 is: 19,369,899.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721,922 : 12,997,798 = 12,997,798 : x
  2. Step 2: Convert to fraction form
    8,721,922/12,997,798 = 12,997,798/x
  3. Step 3: Cross multiply
    8,721,922x = 12,997,798 × 12,997,798
  4. Step 4: Simplify right side
    8,721,922x = 168,942,752,848,804
  5. Step 5: Solve for x
    x = 168,942,752,848,804/8,721,922
  6. Step 6: Final answer
    x = 19,369,899.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.