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Finding the Third Proportional to 19,964,670 and 40,875,090

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Solution

The third proportional to 19,964,670 and 40,875,090 is: 83,686,481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964,670 : 40,875,090 = 40,875,090 : x
  2. Step 2: Convert to fraction form
    19,964,670/40,875,090 = 40,875,090/x
  3. Step 3: Cross multiply
    19,964,670x = 40,875,090 × 40,875,090
  4. Step 4: Simplify right side
    19,964,670x = 1,670,772,982,508,100
  5. Step 5: Solve for x
    x = 1,670,772,982,508,100/19,964,670
  6. Step 6: Final answer
    x = 83,686,481.29

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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.