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Finding the Third Proportional to 10,371,813 and 15,221,355

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Solution

The third proportional to 10,371,813 and 15,221,355 is: 22,338,394.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371,813 : 15,221,355 = 15,221,355 : x
  2. Step 2: Convert to fraction form
    10,371,813/15,221,355 = 15,221,355/x
  3. Step 3: Cross multiply
    10,371,813x = 15,221,355 × 15,221,355
  4. Step 4: Simplify right side
    10,371,813x = 231,689,648,036,025
  5. Step 5: Solve for x
    x = 231,689,648,036,025/10,371,813
  6. Step 6: Final answer
    x = 22,338,394.26

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.