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Finding the Third Proportional to 8,658,746 and 18,792,988

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Solution

The third proportional to 8,658,746 and 18,792,988 is: 40,788,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658,746 : 18,792,988 = 18,792,988 : x
  2. Step 2: Convert to fraction form
    8,658,746/18,792,988 = 18,792,988/x
  3. Step 3: Cross multiply
    8,658,746x = 18,792,988 × 18,792,988
  4. Step 4: Simplify right side
    8,658,746x = 353,176,397,968,144
  5. Step 5: Solve for x
    x = 353,176,397,968,144/8,658,746
  6. Step 6: Final answer
    x = 40,788,400.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.