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Finding the Third Proportional to 71,168,452 and 155,386,867

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Solution

The third proportional to 71,168,452 and 155,386,867 is: 339,266,595.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,168,452 : 155,386,867 = 155,386,867 : x
  2. Step 2: Convert to fraction form
    71,168,452/155,386,867 = 155,386,867/x
  3. Step 3: Cross multiply
    71,168,452x = 155,386,867 × 155,386,867
  4. Step 4: Simplify right side
    71,168,452x = 24,145,078,436,075,688
  5. Step 5: Solve for x
    x = 24,145,078,436,075,688/71,168,452
  6. Step 6: Final answer
    x = 339,266,595.77

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.