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Finding the Third Proportional to 72,183,645 and 155,872,904

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Solution

The third proportional to 72,183,645 and 155,872,904 is: 336,590,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,645 : 155,872,904 = 155,872,904 : x
  2. Step 2: Convert to fraction form
    72,183,645/155,872,904 = 155,872,904/x
  3. Step 3: Cross multiply
    72,183,645x = 155,872,904 × 155,872,904
  4. Step 4: Simplify right side
    72,183,645x = 24,296,362,201,393,216
  5. Step 5: Solve for x
    x = 24,296,362,201,393,216/72,183,645
  6. Step 6: Final answer
    x = 336,590,957.71

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.