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Finding the Third Proportional to 7,234,080 and 11,191,160

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Solution

The third proportional to 7,234,080 and 11,191,160 is: 17,312,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,234,080 : 11,191,160 = 11,191,160 : x
  2. Step 2: Convert to fraction form
    7,234,080/11,191,160 = 11,191,160/x
  3. Step 3: Cross multiply
    7,234,080x = 11,191,160 × 11,191,160
  4. Step 4: Simplify right side
    7,234,080x = 125,242,062,145,600
  5. Step 5: Solve for x
    x = 125,242,062,145,600/7,234,080
  6. Step 6: Final answer
    x = 17,312,783.68

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.