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Finding the Third Proportional to 8,513,370 and 13,218,629.63

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Solution

The third proportional to 8,513,370 and 13,218,629.63 is: 20,524,442.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513,370 : 13,218,629.63 = 13,218,629.63 : x
  2. Step 2: Convert to fraction form
    8,513,370/13,218,629.63 = 13,218,629.63/x
  3. Step 3: Cross multiply
    8,513,370x = 13,218,629.63 × 13,218,629.63
  4. Step 4: Simplify right side
    8,513,370x = 174,732,169,162,927.62
  5. Step 5: Solve for x
    x = 174,732,169,162,927.62/8,513,370
  6. Step 6: Final answer
    x = 20,524,442.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.