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Finding the Third Proportional to 8,319,480 and 18,170,032

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Solution

The third proportional to 8,319,480 and 18,170,032 is: 39,683,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,480 : 18,170,032 = 18,170,032 : x
  2. Step 2: Convert to fraction form
    8,319,480/18,170,032 = 18,170,032/x
  3. Step 3: Cross multiply
    8,319,480x = 18,170,032 × 18,170,032
  4. Step 4: Simplify right side
    8,319,480x = 330,150,062,881,024
  5. Step 5: Solve for x
    x = 330,150,062,881,024/8,319,480
  6. Step 6: Final answer
    x = 39,683,978.19

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.