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Finding the Third Proportional to 19,964,966 and 40,875,632

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Solution

The third proportional to 19,964,966 and 40,875,632 is: 83,687,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964,966 : 40,875,632 = 40,875,632 : x
  2. Step 2: Convert to fraction form
    19,964,966/40,875,632 = 40,875,632/x
  3. Step 3: Cross multiply
    19,964,966x = 40,875,632 × 40,875,632
  4. Step 4: Simplify right side
    19,964,966x = 1,670,817,291,399,424
  5. Step 5: Solve for x
    x = 1,670,817,291,399,424/19,964,966
  6. Step 6: Final answer
    x = 83,687,459.89

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.