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Finding the Third Proportional to 8,678,259 and 18,662,567.06

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Solution

The third proportional to 8,678,259 and 18,662,567.06 is: 40,133,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,259 : 18,662,567.06 = 18,662,567.06 : x
  2. Step 2: Convert to fraction form
    8,678,259/18,662,567.06 = 18,662,567.06/x
  3. Step 3: Cross multiply
    8,678,259x = 18,662,567.06 × 18,662,567.06
  4. Step 4: Simplify right side
    8,678,259x = 348,291,409,362,309.88
  5. Step 5: Solve for x
    x = 348,291,409,362,309.88/8,678,259
  6. Step 6: Final answer
    x = 40,133,788.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.