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Finding the Third Proportional to 64,163,028 and 138,553,289

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Solution

The third proportional to 64,163,028 and 138,553,289 is: 299,191,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,163,028 : 138,553,289 = 138,553,289 : x
  2. Step 2: Convert to fraction form
    64,163,028/138,553,289 = 138,553,289/x
  3. Step 3: Cross multiply
    64,163,028x = 138,553,289 × 138,553,289
  4. Step 4: Simplify right side
    64,163,028x = 19,197,013,892,717,520
  5. Step 5: Solve for x
    x = 19,197,013,892,717,520/64,163,028
  6. Step 6: Final answer
    x = 299,191,208.57

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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.