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Finding the Third Proportional to 52,769,985 and 80,724,328.50

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Solution

The third proportional to 52,769,985 and 80,724,328.50 is: 123,487,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,769,985 : 80,724,328.50 = 80,724,328.50 : x
  2. Step 2: Convert to fraction form
    52,769,985/80,724,328.50 = 80,724,328.50/x
  3. Step 3: Cross multiply
    52,769,985x = 80,724,328.50 × 80,724,328.50
  4. Step 4: Simplify right side
    52,769,985x = 6,516,417,211,775,912
  5. Step 5: Solve for x
    x = 6,516,417,211,775,912/52,769,985
  6. Step 6: Final answer
    x = 123,487,190.91

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.