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Finding the Third Proportional to 80,506,370 and 176,828,404

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Solution

The third proportional to 80,506,370 and 176,828,404 is: 388,395,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,506,370 : 176,828,404 = 176,828,404 : x
  2. Step 2: Convert to fraction form
    80,506,370/176,828,404 = 176,828,404/x
  3. Step 3: Cross multiply
    80,506,370x = 176,828,404 × 176,828,404
  4. Step 4: Simplify right side
    80,506,370x = 31,268,284,461,187,216
  5. Step 5: Solve for x
    x = 31,268,284,461,187,216/80,506,370
  6. Step 6: Final answer
    x = 388,395,160.05

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.