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Finding the Third Proportional to 68,632,081 and 142,909,537

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Solution

The third proportional to 68,632,081 and 142,909,537 is: 297,574,187.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,632,081 : 142,909,537 = 142,909,537 : x
  2. Step 2: Convert to fraction form
    68,632,081/142,909,537 = 142,909,537/x
  3. Step 3: Cross multiply
    68,632,081x = 142,909,537 × 142,909,537
  4. Step 4: Simplify right side
    68,632,081x = 20,423,135,765,554,368
  5. Step 5: Solve for x
    x = 20,423,135,765,554,368/68,632,081
  6. Step 6: Final answer
    x = 297,574,187.87

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.