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Finding the Third Proportional to 74,855,747 and 163,800,223

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Solution

The third proportional to 74,855,747 and 163,800,223 is: 358,429,567.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,855,747 : 163,800,223 = 163,800,223 : x
  2. Step 2: Convert to fraction form
    74,855,747/163,800,223 = 163,800,223/x
  3. Step 3: Cross multiply
    74,855,747x = 163,800,223 × 163,800,223
  4. Step 4: Simplify right side
    74,855,747x = 26,830,513,054,849,728
  5. Step 5: Solve for x
    x = 26,830,513,054,849,728/74,855,747
  6. Step 6: Final answer
    x = 358,429,567.94

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Why These Related Problems?

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