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Finding the Third Proportional to 507,861 and 803,497.50

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Solution

The third proportional to 507,861 and 803,497.50 is: 1,271,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,861 : 803,497.50 = 803,497.50 : x
  2. Step 2: Convert to fraction form
    507,861/803,497.50 = 803,497.50/x
  3. Step 3: Cross multiply
    507,861x = 803,497.50 × 803,497.50
  4. Step 4: Simplify right side
    507,861x = 645,608,232,506.25
  5. Step 5: Solve for x
    x = 645,608,232,506.25/507,861
  6. Step 6: Final answer
    x = 1,271,230.18

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.