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Finding the Third Proportional to 8,409,897 and 18,411,929

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Solution

The third proportional to 8,409,897 and 18,411,929 is: 40,309,545.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409,897 : 18,411,929 = 18,411,929 : x
  2. Step 2: Convert to fraction form
    8,409,897/18,411,929 = 18,411,929/x
  3. Step 3: Cross multiply
    8,409,897x = 18,411,929 × 18,411,929
  4. Step 4: Simplify right side
    8,409,897x = 338,999,129,501,041
  5. Step 5: Solve for x
    x = 338,999,129,501,041/8,409,897
  6. Step 6: Final answer
    x = 40,309,545.94

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.