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Finding the Third Proportional to 908,268,874.50 and 1,988,488,329

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Solution

The third proportional to 908,268,874.50 and 1,988,488,329 is: 4,353,430,955.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,268,874.50 : 1,988,488,329 = 1,988,488,329 : x
  2. Step 2: Convert to fraction form
    908,268,874.50/1,988,488,329 = 1,988,488,329/x
  3. Step 3: Cross multiply
    908,268,874.50x = 1,988,488,329 × 1,988,488,329
  4. Step 4: Simplify right side
    908,268,874.50x = 3,954,085,834,569,212,416
  5. Step 5: Solve for x
    x = 3,954,085,834,569,212,416/908,268,874.50
  6. Step 6: Final answer
    x = 4,353,430,955.94

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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.