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Finding the Third Proportional to 13,553,724 and 20,648,376

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Solution

The third proportional to 13,553,724 and 20,648,376 is: 31,456,700.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553,724 : 20,648,376 = 20,648,376 : x
  2. Step 2: Convert to fraction form
    13,553,724/20,648,376 = 20,648,376/x
  3. Step 3: Cross multiply
    13,553,724x = 20,648,376 × 20,648,376
  4. Step 4: Simplify right side
    13,553,724x = 426,355,431,437,376
  5. Step 5: Solve for x
    x = 426,355,431,437,376/13,553,724
  6. Step 6: Final answer
    x = 31,456,700.12

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.