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Finding the Third Proportional to 71,118,004 and 155,157,816

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Solution

The third proportional to 71,118,004 and 155,157,816 is: 338,507,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,118,004 : 155,157,816 = 155,157,816 : x
  2. Step 2: Convert to fraction form
    71,118,004/155,157,816 = 155,157,816/x
  3. Step 3: Cross multiply
    71,118,004x = 155,157,816 × 155,157,816
  4. Step 4: Simplify right side
    71,118,004x = 24,073,947,865,889,856
  5. Step 5: Solve for x
    x = 24,073,947,865,889,856/71,118,004
  6. Step 6: Final answer
    x = 338,507,079.95

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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.