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Finding the Third Proportional to 4,989,712 and 10,501,040

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Solution

The third proportional to 4,989,712 and 10,501,040 is: 22,099,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989,712 : 10,501,040 = 10,501,040 : x
  2. Step 2: Convert to fraction form
    4,989,712/10,501,040 = 10,501,040/x
  3. Step 3: Cross multiply
    4,989,712x = 10,501,040 × 10,501,040
  4. Step 4: Simplify right side
    4,989,712x = 110,271,841,081,600
  5. Step 5: Solve for x
    x = 110,271,841,081,600/4,989,712
  6. Step 6: Final answer
    x = 22,099,840.85

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.