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Finding the Third Proportional to 4,479,365 and 9,705,226

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Solution

The third proportional to 4,479,365 and 9,705,226 is: 21,027,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479,365 : 9,705,226 = 9,705,226 : x
  2. Step 2: Convert to fraction form
    4,479,365/9,705,226 = 9,705,226/x
  3. Step 3: Cross multiply
    4,479,365x = 9,705,226 × 9,705,226
  4. Step 4: Simplify right side
    4,479,365x = 94,191,411,711,076
  5. Step 5: Solve for x
    x = 94,191,411,711,076/4,479,365
  6. Step 6: Final answer
    x = 21,027,849.20

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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.