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Finding the Third Proportional to 7,293,745 and 15,871,826

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Solution

The third proportional to 7,293,745 and 15,871,826 is: 34,538,479.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,293,745 : 15,871,826 = 15,871,826 : x
  2. Step 2: Convert to fraction form
    7,293,745/15,871,826 = 15,871,826/x
  3. Step 3: Cross multiply
    7,293,745x = 15,871,826 × 15,871,826
  4. Step 4: Simplify right side
    7,293,745x = 251,914,860,574,276
  5. Step 5: Solve for x
    x = 251,914,860,574,276/7,293,745
  6. Step 6: Final answer
    x = 34,538,479.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.