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Finding the Third Proportional to 571,701 and 840,424.50

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Solution

The third proportional to 571,701 and 840,424.50 is: 1,235,459.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,701 : 840,424.50 = 840,424.50 : x
  2. Step 2: Convert to fraction form
    571,701/840,424.50 = 840,424.50/x
  3. Step 3: Cross multiply
    571,701x = 840,424.50 × 840,424.50
  4. Step 4: Simplify right side
    571,701x = 706,313,340,200.25
  5. Step 5: Solve for x
    x = 706,313,340,200.25/571,701
  6. Step 6: Final answer
    x = 1,235,459.34

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.