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Finding the Third Proportional to 8,498,480 and 19,908,728

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Solution

The third proportional to 8,498,480 and 19,908,728 is: 46,638,628.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498,480 : 19,908,728 = 19,908,728 : x
  2. Step 2: Convert to fraction form
    8,498,480/19,908,728 = 19,908,728/x
  3. Step 3: Cross multiply
    8,498,480x = 19,908,728 × 19,908,728
  4. Step 4: Simplify right side
    8,498,480x = 396,357,450,577,984
  5. Step 5: Solve for x
    x = 396,357,450,577,984/8,498,480
  6. Step 6: Final answer
    x = 46,638,628.39

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.