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Finding the Third Proportional to 335,139 and 718,246.50

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Solution

The third proportional to 335,139 and 718,246.50 is: 1,539,295.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,139 : 718,246.50 = 718,246.50 : x
  2. Step 2: Convert to fraction form
    335,139/718,246.50 = 718,246.50/x
  3. Step 3: Cross multiply
    335,139x = 718,246.50 × 718,246.50
  4. Step 4: Simplify right side
    335,139x = 515,878,034,762.25
  5. Step 5: Solve for x
    x = 515,878,034,762.25/335,139
  6. Step 6: Final answer
    x = 1,539,295.74

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.