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Finding the Third Proportional to 13,864,820 and 29,921,812

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Solution

The third proportional to 13,864,820 and 29,921,812 is: 64,574,573.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864,820 : 29,921,812 = 29,921,812 : x
  2. Step 2: Convert to fraction form
    13,864,820/29,921,812 = 29,921,812/x
  3. Step 3: Cross multiply
    13,864,820x = 29,921,812 × 29,921,812
  4. Step 4: Simplify right side
    13,864,820x = 895,314,833,363,344
  5. Step 5: Solve for x
    x = 895,314,833,363,344/13,864,820
  6. Step 6: Final answer
    x = 64,574,573.15

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.