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Finding the Third Proportional to 64,480,056 and 136,237,872

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Solution

The third proportional to 64,480,056 and 136,237,872 is: 287,852,693.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,480,056 : 136,237,872 = 136,237,872 : x
  2. Step 2: Convert to fraction form
    64,480,056/136,237,872 = 136,237,872/x
  3. Step 3: Cross multiply
    64,480,056x = 136,237,872 × 136,237,872
  4. Step 4: Simplify right side
    64,480,056x = 18,560,757,767,088,384
  5. Step 5: Solve for x
    x = 18,560,757,767,088,384/64,480,056
  6. Step 6: Final answer
    x = 287,852,693.04

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.