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Finding the Third Proportional to 240,046 and 386,670

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Solution

The third proportional to 240,046 and 386,670 is: 622,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,046 : 386,670 = 386,670 : x
  2. Step 2: Convert to fraction form
    240,046/386,670 = 386,670/x
  3. Step 3: Cross multiply
    240,046x = 386,670 × 386,670
  4. Step 4: Simplify right side
    240,046x = 149,513,688,900
  5. Step 5: Solve for x
    x = 149,513,688,900/240,046
  6. Step 6: Final answer
    x = 622,854.32

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.