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Finding the Third Proportional to 12,464,750 and 18,779,138

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Solution

The third proportional to 12,464,750 and 18,779,138 is: 28,292,266.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464,750 : 18,779,138 = 18,779,138 : x
  2. Step 2: Convert to fraction form
    12,464,750/18,779,138 = 18,779,138/x
  3. Step 3: Cross multiply
    12,464,750x = 18,779,138 × 18,779,138
  4. Step 4: Simplify right side
    12,464,750x = 352,656,024,023,044
  5. Step 5: Solve for x
    x = 352,656,024,023,044/12,464,750
  6. Step 6: Final answer
    x = 28,292,266.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.