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Finding the Third Proportional to 21,315,020 and 46,881,569

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Solution

The third proportional to 21,315,020 and 46,881,569 is: 103,114,212.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,315,020 : 46,881,569 = 46,881,569 : x
  2. Step 2: Convert to fraction form
    21,315,020/46,881,569 = 46,881,569/x
  3. Step 3: Cross multiply
    21,315,020x = 46,881,569 × 46,881,569
  4. Step 4: Simplify right side
    21,315,020x = 2,197,881,511,901,761
  5. Step 5: Solve for x
    x = 2,197,881,511,901,761/21,315,020
  6. Step 6: Final answer
    x = 103,114,212.98

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.