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Finding the Third Proportional to 21,709,992 and 29,484,072

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Solution

The third proportional to 21,709,992 and 29,484,072 is: 40,041,954.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,709,992 : 29,484,072 = 29,484,072 : x
  2. Step 2: Convert to fraction form
    21,709,992/29,484,072 = 29,484,072/x
  3. Step 3: Cross multiply
    21,709,992x = 29,484,072 × 29,484,072
  4. Step 4: Simplify right side
    21,709,992x = 869,310,501,701,184
  5. Step 5: Solve for x
    x = 869,310,501,701,184/21,709,992
  6. Step 6: Final answer
    x = 40,041,954.03

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.