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Finding the Third Proportional to 177,306 and 266,140.50

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Solution

The third proportional to 177,306 and 266,140.50 is: 399,483.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,306 : 266,140.50 = 266,140.50 : x
  2. Step 2: Convert to fraction form
    177,306/266,140.50 = 266,140.50/x
  3. Step 3: Cross multiply
    177,306x = 266,140.50 × 266,140.50
  4. Step 4: Simplify right side
    177,306x = 70,830,765,740.25
  5. Step 5: Solve for x
    x = 70,830,765,740.25/177,306
  6. Step 6: Final answer
    x = 399,483.19

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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.