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Finding the Third Proportional to 357,417 and 524,461.50

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Solution

The third proportional to 357,417 and 524,461.50 is: 769,576.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,417 : 524,461.50 = 524,461.50 : x
  2. Step 2: Convert to fraction form
    357,417/524,461.50 = 524,461.50/x
  3. Step 3: Cross multiply
    357,417x = 524,461.50 × 524,461.50
  4. Step 4: Simplify right side
    357,417x = 275,059,864,982.25
  5. Step 5: Solve for x
    x = 275,059,864,982.25/357,417
  6. Step 6: Final answer
    x = 769,576.89

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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.