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Finding the Third Proportional to 338,862 and 730,210.50

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Solution

The third proportional to 338,862 and 730,210.50 is: 1,573,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,862 : 730,210.50 = 730,210.50 : x
  2. Step 2: Convert to fraction form
    338,862/730,210.50 = 730,210.50/x
  3. Step 3: Cross multiply
    338,862x = 730,210.50 × 730,210.50
  4. Step 4: Simplify right side
    338,862x = 533,207,374,310.25
  5. Step 5: Solve for x
    x = 533,207,374,310.25/338,862
  6. Step 6: Final answer
    x = 1,573,523.66

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.