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Finding the Third Proportional to 417,477 and 625,123.50

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Solution

The third proportional to 417,477 and 625,123.50 is: 936,050.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,477 : 625,123.50 = 625,123.50 : x
  2. Step 2: Convert to fraction form
    417,477/625,123.50 = 625,123.50/x
  3. Step 3: Cross multiply
    417,477x = 625,123.50 × 625,123.50
  4. Step 4: Simplify right side
    417,477x = 390,779,390,252.25
  5. Step 5: Solve for x
    x = 390,779,390,252.25/417,477
  6. Step 6: Final answer
    x = 936,050.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.