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Finding the Third Proportional to 326,281.50 and 722,547

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Solution

The third proportional to 326,281.50 and 722,547 is: 1,600,072.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,281.50 : 722,547 = 722,547 : x
  2. Step 2: Convert to fraction form
    326,281.50/722,547 = 722,547/x
  3. Step 3: Cross multiply
    326,281.50x = 722,547 × 722,547
  4. Step 4: Simplify right side
    326,281.50x = 522,074,167,209
  5. Step 5: Solve for x
    x = 522,074,167,209/326,281.50
  6. Step 6: Final answer
    x = 1,600,072.84

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.