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Finding the Third Proportional to 243,705 and 534,487.50

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Solution

The third proportional to 243,705 and 534,487.50 is: 1,172,224.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,705 : 534,487.50 = 534,487.50 : x
  2. Step 2: Convert to fraction form
    243,705/534,487.50 = 534,487.50/x
  3. Step 3: Cross multiply
    243,705x = 534,487.50 × 534,487.50
  4. Step 4: Simplify right side
    243,705x = 285,676,887,656.25
  5. Step 5: Solve for x
    x = 285,676,887,656.25/243,705
  6. Step 6: Final answer
    x = 1,172,224.15

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.