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Finding the Third Proportional to 63,879,592 and 138,969,281

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Solution

The third proportional to 63,879,592 and 138,969,281 is: 302,325,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,879,592 : 138,969,281 = 138,969,281 : x
  2. Step 2: Convert to fraction form
    63,879,592/138,969,281 = 138,969,281/x
  3. Step 3: Cross multiply
    63,879,592x = 138,969,281 × 138,969,281
  4. Step 4: Simplify right side
    63,879,592x = 19,312,461,061,656,960
  5. Step 5: Solve for x
    x = 19,312,461,061,656,960/63,879,592
  6. Step 6: Final answer
    x = 302,325,992.65

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.