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Finding the Third Proportional to 72,673,630 and 159,471,853

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Solution

The third proportional to 72,673,630 and 159,471,853 is: 349,938,098.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,673,630 : 159,471,853 = 159,471,853 : x
  2. Step 2: Convert to fraction form
    72,673,630/159,471,853 = 159,471,853/x
  3. Step 3: Cross multiply
    72,673,630x = 159,471,853 × 159,471,853
  4. Step 4: Simplify right side
    72,673,630x = 25,431,271,899,253,608
  5. Step 5: Solve for x
    x = 25,431,271,899,253,608/72,673,630
  6. Step 6: Final answer
    x = 349,938,098.58

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.