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Finding the Third Proportional to 86,533,632 and 129,530,880

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Solution

The third proportional to 86,533,632 and 129,530,880 is: 193,892,807.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,533,632 : 129,530,880 = 129,530,880 : x
  2. Step 2: Convert to fraction form
    86,533,632/129,530,880 = 129,530,880/x
  3. Step 3: Cross multiply
    86,533,632x = 129,530,880 × 129,530,880
  4. Step 4: Simplify right side
    86,533,632x = 16,778,248,873,574,400
  5. Step 5: Solve for x
    x = 16,778,248,873,574,400/86,533,632
  6. Step 6: Final answer
    x = 193,892,807.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.