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Finding the Third Proportional to 71,967,436.88 and 155,424,551.63

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Solution

The third proportional to 71,967,436.88 and 155,424,551.63 is: 335,662,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,967,436.88 : 155,424,551.63 = 155,424,551.63 : x
  2. Step 2: Convert to fraction form
    71,967,436.88/155,424,551.63 = 155,424,551.63/x
  3. Step 3: Cross multiply
    71,967,436.88x = 155,424,551.63 × 155,424,551.63
  4. Step 4: Simplify right side
    71,967,436.88x = 24,156,791,247,832,292
  5. Step 5: Solve for x
    x = 24,156,791,247,832,292/71,967,436.88
  6. Step 6: Final answer
    x = 335,662,798.30

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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.