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Finding the Third Proportional to 162,840.59 and 358,810.59

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Solution

The third proportional to 162,840.59 and 358,810.59 is: 790,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,840.59 : 358,810.59 = 358,810.59 : x
  2. Step 2: Convert to fraction form
    162,840.59/358,810.59 = 358,810.59/x
  3. Step 3: Cross multiply
    162,840.59x = 358,810.59 × 358,810.59
  4. Step 4: Simplify right side
    162,840.59x = 128,745,042,187.23
  5. Step 5: Solve for x
    x = 128,745,042,187.23/162,840.59
  6. Step 6: Final answer
    x = 790,620.11

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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.