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Finding the Third Proportional to 138,845,556 and 289,183,230

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Solution

The third proportional to 138,845,556 and 289,183,230 is: 602,301,887.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,845,556 : 289,183,230 = 289,183,230 : x
  2. Step 2: Convert to fraction form
    138,845,556/289,183,230 = 289,183,230/x
  3. Step 3: Cross multiply
    138,845,556x = 289,183,230 × 289,183,230
  4. Step 4: Simplify right side
    138,845,556x = 83,626,940,513,232,896
  5. Step 5: Solve for x
    x = 83,626,940,513,232,896/138,845,556
  6. Step 6: Final answer
    x = 602,301,887.96

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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.