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Finding the Third Proportional to 21,564,780 and 46,417,851

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Solution

The third proportional to 21,564,780 and 46,417,851 is: 99,913,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,564,780 : 46,417,851 = 46,417,851 : x
  2. Step 2: Convert to fraction form
    21,564,780/46,417,851 = 46,417,851/x
  3. Step 3: Cross multiply
    21,564,780x = 46,417,851 × 46,417,851
  4. Step 4: Simplify right side
    21,564,780x = 2,154,616,891,458,201
  5. Step 5: Solve for x
    x = 2,154,616,891,458,201/21,564,780
  6. Step 6: Final answer
    x = 99,913,696.85

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.