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Finding the Third Proportional to 21,673,090 and 29,519,763

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Solution

The third proportional to 21,673,090 and 29,519,763 is: 40,207,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,673,090 : 29,519,763 = 29,519,763 : x
  2. Step 2: Convert to fraction form
    21,673,090/29,519,763 = 29,519,763/x
  3. Step 3: Cross multiply
    21,673,090x = 29,519,763 × 29,519,763
  4. Step 4: Simplify right side
    21,673,090x = 871,416,407,576,169
  5. Step 5: Solve for x
    x = 871,416,407,576,169/21,673,090
  6. Step 6: Final answer
    x = 40,207,298.89

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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.