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Finding the Third Proportional to 7,663,608 and 12,772,134

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Solution

The third proportional to 7,663,608 and 12,772,134 is: 21,285,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663,608 : 12,772,134 = 12,772,134 : x
  2. Step 2: Convert to fraction form
    7,663,608/12,772,134 = 12,772,134/x
  3. Step 3: Cross multiply
    7,663,608x = 12,772,134 × 12,772,134
  4. Step 4: Simplify right side
    7,663,608x = 163,127,406,913,956
  5. Step 5: Solve for x
    x = 163,127,406,913,956/7,663,608
  6. Step 6: Final answer
    x = 21,285,980.04

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.