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Finding the Third Proportional to 72,888.61 and 93,135.45

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Solution

The third proportional to 72,888.61 and 93,135.45 is: 119,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,888.61 : 93,135.45 = 93,135.45 : x
  2. Step 2: Convert to fraction form
    72,888.61/93,135.45 = 93,135.45/x
  3. Step 3: Cross multiply
    72,888.61x = 93,135.45 × 93,135.45
  4. Step 4: Simplify right side
    72,888.61x = 8,674,211,173.56
  5. Step 5: Solve for x
    x = 8,674,211,173.56/72,888.61
  6. Step 6: Final answer
    x = 119,006.40

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.