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Finding the Third Proportional to 108,857,388 and 168,551,285

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Solution

The third proportional to 108,857,388 and 168,551,285 is: 260,979,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,857,388 : 168,551,285 = 168,551,285 : x
  2. Step 2: Convert to fraction form
    108,857,388/168,551,285 = 168,551,285/x
  3. Step 3: Cross multiply
    108,857,388x = 168,551,285 × 168,551,285
  4. Step 4: Simplify right side
    108,857,388x = 28,409,535,675,151,224
  5. Step 5: Solve for x
    x = 28,409,535,675,151,224/108,857,388
  6. Step 6: Final answer
    x = 260,979,398.80

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.