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Finding the Third Proportional to 10,918,712 and 17,126,748

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Solution

The third proportional to 10,918,712 and 17,126,748 is: 26,864,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918,712 : 17,126,748 = 17,126,748 : x
  2. Step 2: Convert to fraction form
    10,918,712/17,126,748 = 17,126,748/x
  3. Step 3: Cross multiply
    10,918,712x = 17,126,748 × 17,126,748
  4. Step 4: Simplify right side
    10,918,712x = 293,325,497,055,504
  5. Step 5: Solve for x
    x = 293,325,497,055,504/10,918,712
  6. Step 6: Final answer
    x = 26,864,477.88

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.