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Finding the Third Proportional to 7,521,080 and 11,457,828

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Solution

The third proportional to 7,521,080 and 11,457,828 is: 17,455,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521,080 : 11,457,828 = 11,457,828 : x
  2. Step 2: Convert to fraction form
    7,521,080/11,457,828 = 11,457,828/x
  3. Step 3: Cross multiply
    7,521,080x = 11,457,828 × 11,457,828
  4. Step 4: Simplify right side
    7,521,080x = 131,281,822,477,584
  5. Step 5: Solve for x
    x = 131,281,822,477,584/7,521,080
  6. Step 6: Final answer
    x = 17,455,182.30

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.