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Finding the Third Proportional to 172,301,120 and 368,821,808

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Solution

The third proportional to 172,301,120 and 368,821,808 is: 789,487,184.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,301,120 : 368,821,808 = 368,821,808 : x
  2. Step 2: Convert to fraction form
    172,301,120/368,821,808 = 368,821,808/x
  3. Step 3: Cross multiply
    172,301,120x = 368,821,808 × 368,821,808
  4. Step 4: Simplify right side
    172,301,120x = 136,029,526,056,388,864
  5. Step 5: Solve for x
    x = 136,029,526,056,388,864/172,301,120
  6. Step 6: Final answer
    x = 789,487,184.16

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.