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Finding the Third Proportional to 205,628,868 and 445,114,440

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Solution

The third proportional to 205,628,868 and 445,114,440 is: 963,516,779.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,628,868 : 445,114,440 = 445,114,440 : x
  2. Step 2: Convert to fraction form
    205,628,868/445,114,440 = 445,114,440/x
  3. Step 3: Cross multiply
    205,628,868x = 445,114,440 × 445,114,440
  4. Step 4: Simplify right side
    205,628,868x = 198,126,864,696,513,600
  5. Step 5: Solve for x
    x = 198,126,864,696,513,600/205,628,868
  6. Step 6: Final answer
    x = 963,516,779.64

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.