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Finding the Third Proportional to 7,123,740 and 15,841,992

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Solution

The third proportional to 7,123,740 and 15,841,992 is: 35,229,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123,740 : 15,841,992 = 15,841,992 : x
  2. Step 2: Convert to fraction form
    7,123,740/15,841,992 = 15,841,992/x
  3. Step 3: Cross multiply
    7,123,740x = 15,841,992 × 15,841,992
  4. Step 4: Simplify right side
    7,123,740x = 250,968,710,528,064
  5. Step 5: Solve for x
    x = 250,968,710,528,064/7,123,740
  6. Step 6: Final answer
    x = 35,229,908.80

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.