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Finding the Third Proportional to 5,529,402 and 12,121,686

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Solution

The third proportional to 5,529,402 and 12,121,686 is: 26,573,447.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529,402 : 12,121,686 = 12,121,686 : x
  2. Step 2: Convert to fraction form
    5,529,402/12,121,686 = 12,121,686/x
  3. Step 3: Cross multiply
    5,529,402x = 12,121,686 × 12,121,686
  4. Step 4: Simplify right side
    5,529,402x = 146,935,271,482,596
  5. Step 5: Solve for x
    x = 146,935,271,482,596/5,529,402
  6. Step 6: Final answer
    x = 26,573,447.09

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.